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"up" : ""; if (i == curr) { cont.style.display = "block"; } else { cont.style.display = "none"; } } } </script> </div>  </div> </div> </div> <div id="kefu"></div> <div id="main">  <div class="column"> <div class="column_l"> <div class="columnlist"> <div class="column_sfxmlist"> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=36"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/15-37-17-44-397040.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=36">汽车空调高压压力太高是什么原因</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">高压过高的话，还要看低压的压力才好判断，若测得高低压值均为过高，则有以下六种可能：一为系统内有空气，应重新彻底抽空加注制</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 15:36</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=35"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/15-35-56-15-397040.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=35">汽车空调清洗多长时间做一次好呢？</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">近期天气忽冷忽热，是甲型流感和各种流感的多发时期。汽车是一个相对封闭的空间，也是容易滋生各种病菌的温床，此时注重个人卫生</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 15:34</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=34"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/15-34-02-94-397040.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=34">汽车空调加注制冷剂的方法和步骤？</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">（1）汽车空调加注制冷剂前，先抽真空1小时。在系统无漏且内部绝对真空的状态下，打开R134a钢瓶且瓶口向下，拧松压力表中间软管</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 15:32</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=33"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/15-32-25-52-397040.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=33">汽车空调常见的四类问题</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">夏季来临，空调制冷问题自然很重要，我们经常说日本车的空调制冷效果要强过欧美版的汽车，如果你驾驶的正好是一辆欧洲出产的车子</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 15:31</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=40"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/15-44-31-16-397039.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=40">海尔空调定频和变频型号如何区别?</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">　　像老型号的的机器一般从型号上可以看出来，型号中带有BP两个字母，比如KFR-50LW/BPF\KFR-28GW/HBBPF\KFR-68LW/VBPF等这些型</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 15:30</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=32"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/15-30-53-46-397040.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=32">空调系统维修后的性能检测步骤</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">空调系统维修后的性能检测步骤如下：1、安装修理完成后进行外观检查，须说明的是修理后的汽车空调在保温性能、车内气流分布、温</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 15:29</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=30"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/15-29-03-14-397040.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=30">汽车空调常见故障及排除计巧</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">1、故障现象：压缩机不吸合，空调系统不工作，系统没有压力。原因：制冷剂全部泄漏了。排除方法：找出泄漏点（管路磨破、管路密</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 15:27</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=29"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/15-26-54-96-397040.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=29">如何清洗汽车空调系统？</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">长时间处在这种环境中，人就会感到头晕、恶心，甚至诱发呼吸道疾玻汽车冷凝器影响空调制冷效果，空调滤芯起着过滤车内空气的作用</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 15:25</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=31"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/15-30-12-81-397039.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=31">如何分辨空调是定频还是变频空调呢?</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">　　一、定频空调定频空调即工作于电压220伏、频率50赫兹的普通空调机。特点是：1，工作的电源电压与频率固定不辨。2，调温原理</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 15:24</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=28"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/15-24-53-86-397040.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=28">汽车空调不开A/C（制冷）键，开内循环为什么吹出来的风...</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">如果A/C键按不按出风口温度一样，你需要看看A/C键是不是失灵了，可以打开引擎盖看看空调是不是一直在工作，若是，建议送修理厂检</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 15:23</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=27"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/15-24-13-60-397039.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=27">变频空调和定频空调的区别 ?</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">　　变频空调和定频空调的区别：节能性变频空调为何节能：1.定频空调在一小时之内会多次启动，每次耗电量很大2.定频空调启动电流</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 15:20</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=26"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/15-23-08-95-397040.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=26">汽车空调A/C键是什么意思？</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">aircondition是汽车空调的意思,所以带A/C的开关就是空调开关。A/C是压缩机开关，也就是空调制冷开关，夏天用。A/C是空调的缩写，</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 15:19</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=25"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/15-20-26-75-397039.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=25">三星空调不制冷是什么原因?</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">　　三星空调制冷效果差的原因1、系统制冷液不足；2、系统轻微堵塞；用软管或钢丝类东西疏通，或者压力疏通。3、内风机网堵塞；</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 15:17</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=24"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/15-17-35-54-397039.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=24">挂式空调不制冷的原因是什么?</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">　　室外机由于暴露是户外，轻易吸附灰尘和杂物，长时间不清理，就会影响机器的散热性能，带来空调的制冷效果降落。而室内机则关</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 15:10</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=23"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/15-10-50-33-397039.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=23">窗机空调不制冷的原因有哪些?</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">　　1.房间过大，空调马力不足，会造成人感觉空调不制冷;2.空调安装得不合理，通风管过长，热传递效率低也会造成不制冷;3.室外温</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 15:06</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=22"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/15-05-57-88-397039.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=22">空调室内机结冰是什么问题？</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">　　空调室内机结冰是空调系统内制冷剂不足引的，原因是室内机制冷剂压力较低，引起蒸发温度降低造成的。正常的室内机中制冷剂的</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 15:00</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=21"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/15-00-16-70-397039.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=21">海尔空调不制冷的原因有哪些？</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">　　夏天到了，很多朋友开始使用空调制冷，以降低室内的温度，但是有时候可能会发现房间里好像没啥冷的感觉，那海尔空调不制冷是</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 14:47</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=20"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/14-47-28-82-397039.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=20">科龙空调不制冷、不制热是怎么回事？</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">　　第一、首先应注意观察室外机是否有工作声音（包括室外机风扇和压缩机）。如果室外机风扇运转，则说明控制电路基本正常。此时</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 14:44</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=19"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/14-43-53-85-397039.jpg"/></a></li> <li class="column_sfxmlist_title"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=19">汽车空调不制冷原因有哪些？</a></li> <li class="column_sfxmlist_sender"></li> <li class="column_sfxmlist_abstract">　　据自动空调的控制原理，造成压缩机不吸合的可能原因除压缩机本身以外，还有动力系统控制电脑pcm、空调开关的请求信号、压力</li> <li class="column_sfxmlist_time">发稿时间：2015-07-21 14:40</li>  </ul> <ul> <li class="column_sfxmlist_ima"><a target="_blank" href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=18"><img width="190" height="140" src="http://www.chinahvacr.com/file/upload/201507/21/14-40-26-13-397039.jpg"/></a></li> <li 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href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=131">汽车空调需要抽真空...</a></b></li> <li class="column_sfzm_zuixinlist_abstract">汽车空调需要抽真空，因为空气里有水蒸气，它和冷媒容易造成冰堵。一些维修厂会把汽车空调中的残余制冷剂直接排放掉，然后直接用</li> <li class="column_sfzm_zuixinlist_time">发稿时间：2015-07-24 15:15</li> </ul> <ul> <li class="column_sfzm_zuixinlist_ima"><a href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=127"><img width="85px" src="http://www.chinahvacr.com/file/upload/201507/24/15-12-58-84-397039.jpg" class="t-img"></a></li> <li class="column_sfzm_zuixinlist_title"><b><a href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=127">变频空调节电效果好...</a></b></li> <li class="column_sfzm_zuixinlist_abstract">　　一台变频空调使用8年节省电费至少2000元，定速空调无可比拟。定速空调只能通过频繁开、关机来调节室内温度，温度波动大，极</li> <li class="column_sfzm_zuixinlist_time">发稿时间：2015-07-24 15:11</li> </ul> <ul> <li class="column_sfzm_zuixinlist_ima"><a href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=126"><img width="85px" 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class="column_sfzm_zuixinlist_ima"><a href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=123"><img width="85px" src="http://www.chinahvacr.com/file/upload/201507/24/15-09-55-76-397039.jpg" class="t-img"></a></li> <li class="column_sfzm_zuixinlist_title"><b><a href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=123">家用空调制冷剂充注...</a></b></li> <li class="column_sfzm_zuixinlist_abstract">　　每一种空调器的设计都存在着如何确定制冷剂充注量的问题，特别是在采用毛细管作节流装置的空调器中，由于毛细管的调节能力较</li> <li class="column_sfzm_zuixinlist_time">发稿时间：2015-07-24 15:07</li> </ul> <ul> <li class="column_sfzm_zuixinlist_ima"><a href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=121"><img width="85px" src="http://www.chinahvacr.com/file/upload/201507/24/15-07-28-86-397040.jpg" class="t-img"></a></li> <li class="column_sfzm_zuixinlist_title"><b><a href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=121">夏季开车如何使用空...</a></b></li> <li class="column_sfzm_zuixinlist_abstract">汽车空调耗油大，到底该怎样使用才更省呢，小编整理了一下几点可供大家参考。1.空调温度25摄氏度最合适夏季汽车油耗居高不下的一</li> <li class="column_sfzm_zuixinlist_time">发稿时间：2015-07-24 15:05</li> </ul> <ul> <li class="column_sfzm_zuixinlist_ima"><a href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=104"><img width="85px" src="http://www.chinahvacr.com/file/upload/201507/23/16-04-12-10-397040.jpg" class="t-img"></a></li> <li class="column_sfzm_zuixinlist_title"><b><a href="http://www.chinahvacr.com/yiwenyida/show.php?itemid=104">汽车空调如何保养？</a></b></li> <li class="column_sfzm_zuixinlist_abstract">汽车空调不仅要会正确的使用，还要有合理的保养，下面小编总结了几小点，大家可以参考参考。一、开启前，更换空调滤芯和检查空调</li> <li class="column_sfzm_zuixinlist_time">发稿时间：2015-07-23 16:00</li> </ul> </div> </div> </div> </div>  <div class="clear"></div> </div>    <div id="bottom_lxwm"> <ul> <li class="bottom_lxwm_logo"></li> <li class="bottom_lxwm_link"> <div class="bottom_lxwm_link_wz"><a href="http://www.chinahvacr.com/about/about_us.html">关于我们</a></div> <div 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