... air priority 空运优先次序;起降顺序 air purge valve 空气清除阀 air raid 空袭 ...
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air dryer purge valve 空气干燥器净化阀
PED AIR PURGE CONTROL VALVE 天线空气净化控制阀
purge air valve housing 净气活门壳体 ; 净气阀门壳体
purge air valve actuator cylinder 净气阀门动作筒
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The low pressure header and each branch shall have a 6 mm minimum, non ferrous shut off valve for each instrument requiring an air supply and a compression coupling for each air purge connection.
低压头和每个分支应为6毫米，非铁关断阀在每个送风和空气净化压缩为每个连接耦合仪器最低要求。
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