Bimetal elements steam trap的意思|示意

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双金属元件疏水阀

双金属片式疏水阀 ... 填料packing 双金属片式疏水阀bimetal elements steam trap 逆止阀;止回阀;单向阀check valve ...

双金属片式 ... 手摇油泵(阀) Manual Oil Pumps Valves 双金属片式 Bimetal elements steam trap 双口排气球 Double Opening Exhaust Valves ...

双金属片式蒸汽疏水阀双金属片式蒸汽疏水阀 Bimetal elements steam trap 热动力型蒸汽疏水阀 Hot-motive force steam trap ..