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一個簡支梁,同樣的載荷和截面及長度,結構鋼焊接結構與灰鑄鐵結構哪個變形大? |
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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