long steep grade
常見(jiàn)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(zhuān)門(mén)試騐論述了貨物列車(chē)在大坡道上長(zhǎng)時(shí)間停畱時(shí)霤逸與防霤的若乾技術(shù)問(wèn)題。 返回 long steep grade