outside screw and yoke valve

... ) outside screw 在阀盖外的阀杆螺纹 ) outside screw and yoke valve 外螺旋轭阀 ) O.S&Y.gate valve 外螺纹与轭闸阀 ...

阀轭_英文_英语... ... 1. Yoke sleeve 外螺轭式闸阀 1. outside screw and yoke valve 外螺纹与轭闸阀 1. valve yoke 阀轭套 ...