coupled wagon group

例句：

1. 1.The team is composed of several coupled wagongroups, each equipped with specialized tools andequipment.
   这个团队由几个联挂式货车组组成，每个组都配备了专用的工具和设备。
2. 2. The coupled wagon groups areresponsible for transporting heavy loads across longdistances.
   这些联挂式货车组负责在长途运输中搬运重物。
3. 3. Thecoupled wagon groups are essential for ensuring thesmooth operation of the logistics network.
   这些联挂式货车组对于确保物流网络的顺畅运作至关重要。