2653| 4
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用加工完右旋內(nèi)螺紋的刀具, 再直接加工左旋螺紋,刀尖老是崩刀! 都是1.5的螺距 |
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小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
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