butterfly conspxol valve 蝶形控制阀 butterfly throttle valve 蝶形节流阀 ; 蝶形节省阀 Butterfly check valve 蝶式止回阀 ; 进口蝶式止回阀 ; 蝶式 ; 卡尔进口蝶式止回阀 ..
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... throttling bar ==> 节流条 throttling butterfly valve ==> 蝶形节流阀 throttling cock ==> 节流旋塞,节气门旋塞,节油门旋塞,扼流栓 ...
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... barrel throttle 桶形节流阀; 筒形节流阀 butterfly throttle 蝶形调节门; 蝶形节流阀; 蝶形节流门 cam throttle 凸轮调节阀 ...
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蝶形节流阀 butterfly throttle valve; butterfly throttling valve; throttling butterfly val ..
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