常見(jiàn)例句雙語(yǔ)例句That is beneficial to the expanding the size of express freight train operation and the benefits.對(duì)快運(yùn)貨物列車編組方案進(jìn)行優(yōu)化，有利于擴(kuò)大快運(yùn)貨物列車開(kāi)行規(guī)模和效益。 返回 express freight train