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50.軌鏠調整之目的為何?(A)提供鋼軌溫度伸長之餘裕 (B)提供鋼軌溫度收縮之餘裕(C)提供鋼軌溫度伸縮之餘裕 (D)提供鋼軌軸重之餘裕。
問題詳情
50.軌鏠調整之目的為何?
(A)提供鋼軌溫度伸長之餘裕
(B)提供鋼軌溫度收縮之餘裕
(C)提供鋼軌溫度伸縮之餘裕
(D)提供鋼軌軸重之餘裕。
參考答案
答案:C
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【站僕】摩檸Morning
】評論
原本答案為,修改為C
上一篇 :
49.軌距1067mm鐵路特甲級線在直線上靜態軌道水平不整養護之容許標準值為:(A)5mm (B)7mm (C)9mm (D)11mm。
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