assembly rake

例句：

1. 1. The engineer assembled the new machine in the factory.
   工程师在工厂组装了新机器。
2. 2.The assembly line is responsible for producing the final product.
   组装线负责生产最终产品。
3. 3.The assembly process involves carefully connecting all the parts together.
   组装过程涉及仔细将所有部件连接在一起。