liuxilin1215 发表于 2018-2-7 16:07:00

ASME B1.13M-2005(R2015) Metric Screw Threads: M Profile

ASME B1.13M-2005(R2015) Metric Screw Threads: M Profile



admin 发表于 2018-2-8 20:43:03

谢谢您的分享，金币已奖励!
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