railway transportation channel的用法和樣例：
例句
- There should be special transportation passage between the bonded area and the Tianjin Harbor.
保稅區至天津港碼頭之間應設專(zhuān)用的運輸通道。 - Properly arrange the construction of main highways which connect west China and middle part of China so as to give full play to the transportation system in western China.
要同步安排好與西部地區連通的中部地區干線(xiàn)公路的建設，保證西部運輸通道系統能力的發(fā)揮。
