... 波纹管阀 bellows valves 纵贯单向阀 straightway check valve 最小过冷度 minimum subcooled temperature ...
基于44个网页-相关网页
... 正向效用式降低压力阀 direct acting reducing valve 纵贯单向阀 inline check valve 液压执行器 hydraulic actuator ...
基于40个网页-相关网页
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inline check valve
straightway check valve
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