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back water中文是什么意思

  • 倒划
  • 回流
  • 回水
  • 回洗水
  • 循环水

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  • 例句与用法
  • A mound of earth or stone built to hold back water or to support a roadway
    堤用以阻挡水或支持公路而建造的土堆或石堆
  • Back water curve
    壅水曲线
  • A woman carrying her infant on her back waters flowers in a graveyard in puebla , mexico
    墨西哥的普埃布拉,一个妇女正在墓园浇花,她的背后背着她的孩子。
  • When the temperature difference of the supply water stand pipe or back water stand pipe of the water heater is large , itcan affect the water temperature
    6过水热在暖气正常情况下,供水立管或回水立管温差大时,将影响出水温度
  • Due to the complexity of the inner structure of the cleaning valve , it may be create vortices , cavitate , water hammer , back water and so on
    由于清洗液阀门流道的内部结构复杂,当流体通过阀道时产生诸如旋涡、空化、水锤和死水区等水流现象。
  • This system can be widely used for industrial back water treatment , small water plants , mid water circulation , water supply for devastated regions , landscape water treatment , bathing beach , urban sewage further treatment and shipping carriers water treatment
    该设备可用于雨水处理、工业循环水处理、城镇小水厂、城市再生水回用、抗灾救灾供水、景观水处理、海水澄清、城市污水厂的后续处理等。
  • To try to gauge the difference between the two places , i left on my adventure with two pre - evacuated glass flasks donated by the australian government to collect the air , a personal air pump to amass particulates on filters , and canisters to bring back water samples
    为了测量两地的差别,我带上澳大利亚政府赠予的两个用于收集空气的玻璃瓶,一个收集过滤器微粒的空气泵,还有采集水样本的小罐。
  • The paper analyzes the non - lineal relations of the quantity of heat exchange and water flux of coil exchanger in part - load operating condition , the shortage of deciding the water flux in bypass pipe , the disadvantage that the operating condition of pumps and chiller ca n ' t be met with the load change of the air conditioning system in different operating condition of using pressure - difference bypassing control in primary water pump system . using load control method in the change of the operating condition of primary water pump system can realize that the load change is small and reasonable in the on / off condition of pumps and m m chiller by comparing load control method in primary variable - flow water pump system with pressure - difference bypassing control method , back water temperature control method
    本论文从目前空调工程中使用的变流量水系统入手,研究了盘管换热器在部分负荷下水流量与换热量的非线性关系,分析了文献中介绍的旁通管通流能力选择的不足之处和一次泵水系统采用压差旁通控制时,工况转换不能满足系统控制要求的缺陷;比较了一次泵变流量水系统中压差旁通控制法、回水温度控制法、负荷控制法的精确性,并得出了在一次泵水系统的工况转换时,采用负荷控制法能使冷水机组及其相应水泵在启停时的负荷变化范围较小,更符合建筑物的冷量需求,节能效果较好的结论。
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Last modified time:Sun, 10 Aug 2025 00:29:56 GMT

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