... 弹簧心阀 valvewithspringcore 心轴阀 spindle valve 球（心）阀 ball bearing valve ...
基于6个网页-相关网页
Extend spindle valve 加长杆阀门
valve spindle [机] 阀杆 ; 阀轴 ; 阀主轴 ; 气门杆
valve spindle radial piston pump 轴配流径向活塞泵
slide valve spindle 滑阀杆 ; 滑阀轴
discharge valve spindle 放泄阀轴
exhaust valve spindle 排气阀轴 ; 排气阀杆
air pump delivery valve spindle 气泵输送阀轴
throttle valve spindle 节气门轴
auxiliary steam valve spindle 副汽阀柄
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