tug barge combination

例句：

1. 1. The tug barge combination was used to transport heavy equipment across the river.
   拖轮组合体被用来将重型设备跨过河流运输。
2. 2. The tug barge combination was a critical part of the emergency response team's operation.
   拖轮组合体是紧急响应队操作中的关键部分。
3. 3. The tug barge combination was designed to handle large vessels and provide safe passage for ships.
   拖轮组合体设计用来处理大型船只，并为船只提供安全的通行。