6418| 18
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車削螺不紋, 請問管螺紋底徑怎么算啊 ? |
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點(diǎn)評
不好意思看錯了
你說的是管螺紋
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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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