12612| 8
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關于鐵路機車的計算問題? |
點評
大俠也懂鐵路車體設計?車廂連接有勾頭,勾頭內勾舌還有風管內通風制動。我看視頻資料國內火車車廂與國外車廂不太一樣啊。
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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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