亚洲性爱综合网_少妇人妻一级黄色片无码_久久亚洲AⅤ无码_中国成人A级黄色毛片

亚洲性爱综合网_少妇人妻一级黄色片无码_久久亚洲AⅤ无码_中国成人A级黄色毛片

亚洲性爱综合网_少妇人妻一级黄色片无码_久久亚洲AⅤ无码_中国成人A级黄色毛片_能免费看的日韩黄色片段_美日韩免费一级片_中文网AV

<nav id="7jtmj"><tt id="7jtmj"></tt></nav>
    <sub id="7jtmj"></sub>
  • Contact Us

    Micro Cooling Fan choice points

    Date: 2014-10-16   Click: 1727 Times

    1. "Micro Cooling Fan" selection of the control parameters for air flow, total pressure, efficiency, noise, and electrical power. There are centrifugal and axial flow.
    2 fans due to set up a wind chassis conducive silencer.
    3. "Micro Cooling Fan" the selection, should consider piping system leakage losses, calculation errors, and negative deviations ventilator actual wind, air pressure, and the general air volume of 1.05 to 1.1, 1.10 to 1.15 of pressure safety factor. But do not use too much, in order to prevent long-term ventilator running at low efficiency area.
    4 Note that the pipe network resistance characteristics matching relationship with the "Micro Cooling Fan" characteristics. For the stable operation of the fan, the fan should be working near its maximum efficiency, the operating point of the fan performance curve to the right of the peak point of the total pressure (ie, the amount of side winds, and generally at full pressure peak of 80% ).

    Back to: Industry news

    +86-0769-83660708

    Home Product News Contact

    亚洲性爱综合网_少妇人妻一级黄色片无码_久久亚洲AⅤ无码_中国成人A级黄色毛片
    <nav id="7jtmj"><tt id="7jtmj"></tt></nav>
    <sub id="7jtmj"></sub>
  • A级片播放| 91免费a片| 日韩av资源站| 欧美精品12345| 青操AV| 成人AV电影在线网址| 永久免费A级片| 东京男人的天堂热| 97亚卅视频| 加勒比AV网页| 超碰AV片| 精品毛片一区二区三区| 免费成人黄色网| 有码不看| 加勒比一区在线免费| 亚洲中文字幕五区| 黄色五月天淫荡| 韩日性爱| 黄色毛片网址| 五月天福利导航| 91日韩在线| 日韩AV网站成人| 亚州成人777| 黄色操逼AV| 日韩操逼网| 高清无打码| 日韩一级片| av在线观看导航| 草久草av| 亚洲成人综合一区| 欧美成人色情| 日韩清晰av| 日韩毛片片| 鲁丝AV鲁丝一鲁丝| 国产人兽在线观看| 可以免费观看的AV片| 欧美黄色AA一级| 大香蕉A片| 性爱av网址| 一级免费视频成人| AV电影久草网在线播放|