3664| 8
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長1m 寬0.6m 承重150kg的不銹鋼板,怎么確定其厚度 |
點評
意思就是這塊板是在什么環境下使用的
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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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