3166| 6
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40的鋁型材組成的750的正方框可否承受100kg的載重? |
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點評
不做板直接擰上去行不行
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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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