5858| 11
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螺紋前面去掉半牙 |
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點評
你一定要在車床上弄,,估計你是沒有銑床的了,,這樣你可以試一試在車床上夾偏心然后來一刀
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,,浙公網(wǎng)安備33038202004372號 )
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