tandem loading system

例句：

1. 1. The tandem loading systemis designed to improve efficiency in cargo handling.
   双人装载系统旨在提高货物处理的效率。
2. 2. The company has implemented a new tandem loading system to reduce the time ittakes to load and unload trucks.
   该公司已实施一种新的双人装载系统，以减少装卸卡车所需的时间。
3. 3. The tandem loading system was introduced to improve safetyduring heavy lifting operations.
   双人装载系统被引入，以提高在重物搬运操作中的安全。