13803| 25
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軸容易斷裂,怎么處理好, |
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點評
螺絲還有強度等級,看做螺絲就按螺絲的辦法處理;換硬換大。
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小黑屋|手機版|Archiver|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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