6061| 12
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這件活怎么做呀 |
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點評
一根長220mm 直徑5mm 的紫銅管 要在上面車一個螺距是1。5的雙頭螺蚊 螺紋長180mm
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點評
套住后反刀,反車,這樣不會壓玩,套內要加油
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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