pipeline hydrotransport

例句：

1. 1. The pipeline is crucial forthe transportation of oil.
   这条输油管道对于石油运输至关重要。
2. 2. The pipeline was damagedduring the construction.
   在建设过程中，这条管道被损坏了。
3. 3. The pipeline carries gasfrom one city to another.
   这条管道将一种气体从一座城市输送到另一座城市。