oil passageway

• 油管,油沟

oil passageway的用法和样例：

例句

1. An oil pipe is being laid between the two cities.
   在两座城市间正在铺设一条油管。
2. The workman cheered when oil at last gushed from the pipe.
   油终于从油管中喷出时，工人们雀跃欢呼。