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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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英汉翻译词典包含4367426条英汉汉英翻译词条,基本涵盖了全部常用英语单词及常用语的翻译及用法,是英语学习的有利工具。