four direction side loader

例句：

1. 1. This four-direction side loader is designed for heavy construction work.
   这款四向侧装载机专为重建设工作设计。
2. 2. The four-direction side loader has proven to be highly efficient in loading and unloading materials.
   这种四向侧装载机在装载和卸载材料方面表现出极高的效率。
3. 3. The engineers used the four-direction side loader to move large loads quickly and efficiently.
   工程师们使用这种四向侧装载机快速而有效地移动大型负载。