rail tanker

例句：

1. 1.The train was carrying a large rail tanker full of oil.
   火车正运送一列满载石油的铁路罐车。
2. 2.The rail tanker was loaded with coal and headed for the port.
   这列铁路罐车装满了煤炭，正前往港口。
3. 3.The rail tanker was used to transport heavy goods over long distances.
   这列铁路罐车被用来在长距离内运输重型货物。