preassembly
双语例句
- 1. Directed workers engaged in pipe cutting and preassembly and installation of plumbing systems and components.
- 指导工人切割水管、先装配、置水管系统,及其零件.
来自互联网
- 2. Preassembly of economizer coils shall be expedited ; 100 nos . joints of eco. & SH shall be welded.
- 加快省煤器蛇形管排预组合,本周内完成省 煤器 和过热器接口100个.
来自互联网
