一、解釋名詞: 曲線角度(degree of curve) 橫渡線(crossover) 軌枕墊鈑(tie plate) 岔心號數(frog number)

詳解 (共 3 筆)

You are the Best.
You are the Best.
詳解 #1774266
2016/08/20
曲線角度(degree of curve) 橫渡線(crossover) 軌枕墊鈑(tie plate) 岔心號數(frog number)
You are the Best.
You are the Best.
詳解 #1772804
2016/08/10
 erewtr
MJ
MJ
詳解 #4638998
2021/04/06