... air-proof 气密的 air-release valve 放气阀 airslide conveyor 气滑式运输机 ...
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air release valve 排气阀 ; 放气阀 ; 放空阀 ; 泄气阀
low-pressure air release valve 低压进排气阀
air pressure release valve 放风阀
air r release valve 放气阀 ; 泄气阀
air-pressure release valve 空气压力释放阀
Air Inbreathe-release Valve 进排气阀
air pressure control release valve 气控减压阀
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VENT GUARD? Is a protective enclosure designed exclusively for the air release valve found in many public water supply systems.
通风口的保护外壳设计，专用于许多公用水供应系统中的空气释放阀。
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In case that the well producing lots of air we recommend to add air release valve.
假如水井从地底吸收气体，则表明其深度不够。假如水井产生大量气体，我们建议增设排气阀。
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