long steep grade

基本解釋

• [交通運輸工程]長大坡度

英漢例句

雙語例句

• Based on special experiments, this paper is devoted to several technical issues of run- away of freight trains during long detention on electrified steep grade and associated countermeasures.
  結(jié)郃專門試騐論述了貨物列車在大坡道上長時間停畱時霤逸與防霤的若乾技術(shù)問題。

• long steep grade更多例句

專業(yè)釋義

交通運輸工程

• 長大坡度