3214| 9
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采購鋁型材,領導既要省錢又要質量,請教參數測量 |
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點評
我當時去提型材的時候也是這么大致測的,正解
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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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