preassembly的意思|示意

美 / pri:ə'semblɪ / 英 / priə'semblɪ /

n. 预汇编，预组合

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.

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