long steep grade

基本解釋

• [交通運(yùn)輸工程]長(zhǎng)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)合專門試驗(yàn)論述了貨物列車在大坡道上長(zhǎng)時(shí)間停留時(shí)溜逸與防溜的若干技術(shù)問題。

• long steep grade更多例句

專業(yè)釋義

交通運(yùn)輸工程

• 長(zhǎng)大坡度