土木工程编译词汇V-2-SCIdict学术词典-北... ... 负压阀 Valve,negative pressure 止回阀 Valve,nonreturn 排砂阀 Valve,scour ...
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nonreturn valve 通风〕止回阀 ; 单向阀 ; 止回阀
dryer outlet nonreturn valve 烘箱出口单向阀
control nonreturn exhaust valve 止回操纵舌闭
extraction stop and nonreturn valve 抽汽截止 ; 逆止阀
screwdown nonreturn valve 截止止回阀
bilge suction nonreturn valve 舱底水吸入止回阀
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