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Yahoo!奇摩知識+ - 分類問答 - 運動體育 - 已解決
Yahoo!奇摩知識+ - 分類問答 - 運動體育 - 已解決 
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機車問題 請高手幫忙
Dec 31st 2013, 06:09

早先是,鐵路線沿途有機務段,每個機務段都有自己的擔當區段,列車到了不同的擔當區段,就有擔當該區段牽引任務的機車牽引,所以,一列車到了固定車站是要更換車頭的,即使不跨局到了規定車站也要更換車頭. 現在,隨著機車質量和技術的發展

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