valve shaft lever
... safety valve lifting lever 安全阀提升杆 ; 船用安全阀阀提升杆 valve shaft lever 阀轴杆 control valve operating lever 节制阀操作杆 ...
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阀杆支轴 valve lever support shaft
阀杆轴承 stem bearing
阀杆支架轴 valve lever fulcrum shaft
阀轴、阀杆 valve spindle
阀杆轴套 Stem Collar
不锈钢阀门轴杆 valve shaft lever
不锈钢阀门轴杆组 Stainless Shaft Lever
·2,447,543篇论文数据，部分数据来源于NoteExpress
对阀盘、耳轴活塞杆头的染料渗透剂测试。
Dye-penetrant testing of the disc trunnions and piston rod heads.
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