2704| 12
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裂紋問題,求大佬解決 |
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點評
你說的是ZG45吧,45不是結構鋼嗎
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點評
除非你用線割,越硬線割越爽。
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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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