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instrument
1 年
安装APP,免费下资料
中文名称:一般公称用活塞环.公称直径为10至1200mm的 R 型环、普通压紧环 英文名称:Piston rings for general engineering; R-rings, plain compression rings, 10 up to 1200 mm nominal diameter ...
instrument
1 年
安装APP,免费下资料
中文名称:米制锥形外螺纹和配对圆柱形内螺纹.第1部分:公称尺寸.极限偏差.极限尺寸和验证 英文名称:Metric external taper screw threads and mating internal parallel screw threads - Part 1: Nominal sizes, limit deviations, limits of size and ...
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