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愛母克螺紋,螺紋規(guī)格 6tpi acme 3.125'' 在6140 車床 怎么車? |
Archiver|手機(jī)版|小黑屋|機(jī)械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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