... elevating stripper 提升卸卷机 elevating valve 升杆阀 elevation computer 高度计算计 ...
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不升杆式阀 non-rising stem valve ; rising stem valve
安全阀提升杆 safety valve lifting lever
一般使用升杆式闸阀 RRHR
旋转升降阀杆 Rotate-Rising stem
阀升杆 valve lift rod
提升器先导阀杆 lift pilot valve stem
自动调整阀升杆 self-aligning valve lifter
升降杆式闸阀 Outside screw stem rising through handwheel type gate valve
船用安全阀阀提升杆 safety valve lifting lever
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