assembly on flow line production

例句：

1. 1. The engineer assembled the new machine in the factory.
   工程师在工厂里组装了新机器。
2. 2. The assembly line is a crucial part of the manufacturing process.
   组装线是制造过程的关键部分。
3. 3.The assembly production is expected to increase by 10% this year.
   预计今年的组装产量将增加10%。