... suction foam inductor 吸入式泡沫比例混合器 suction gauge 吸力计 suction head float 浮动的吸水集水器 ...
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By using the experimental device of soil moisture movement of single water storage pit and suction gauge, irrigation experiment of single water storage pit are conducted.
利用蓄水单坑土壤水分运动试验装置结合负压计进行蓄水单坑灌水试验。
A gauge measures the pressure of the suction.
有一个测量器来测量抽的压力。
Unscrew the nut from the service connection of suction line valve and connect the compound pressure gauge.
将真空泵连于复合压力表，打开复合压力表和真空泵对室内机和连接管抽真空。
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