chain drive rig

例句：

1. 1. The chain drive rig is usedto pull heavy loads across the river.
   链条驱动装置用于将重物从河的这一边拉到那一边。
2. 2. The engineers designed a new chain drive rigthat could handle larger loads.
   工程师们设计了一种新型的链条驱动装置，可以处理更大的负载。
3. 3. The chain drive rig wascrucial in the construction of the bridge,as it allowed for safe and efficient transportationof materials.
   链条驱动装置在桥梁建设中至关重要，因为它允许安全且高效地运输材料。