3213| 6
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m10的螺紋,q235鋼材,在30N.M的安裝力矩下斷了,請教 |
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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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