問題詳情
二、鐵路列車運行有兩類的阻力（resistances）：線形阻力（line resistance）與列車阻力（train resistance），前者包括坡度阻力（grade resistance）與彎道阻力（curveresistance）。請說明列車阻力之內容（項目與意義）。（25 分）
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