12657| 16
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螺絲鍍鋅也容易生銹,不銹鋼的話成本又上去了,怎么辦? |
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點評
用手動裝置擠壓一下的,比打孔穿銷方便很多
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點評
達克羅 鍍層 能扛住這么蹭?沒戲
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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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