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。
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。
This paper presents the customized equipment suitable to screw "adjusting bolt module" in "cover sheet assembly (preassembly)" for automobile assembling process.
介绍了一种自行研制的装配专机，适用于汽车“盖板总成(预装配)”中将“调整螺钉总成”拧进“盖板总成”的装配工序。
The assembly tolerance analysis and optimization method based on digital product design model is put forward according to the analysis of digitalization preassembly method.
通过对数字化预装配方法的分析，提出了基于数字化产品设计模型的装配公差分析和优化方法。
The assembly tolerance analysis and optimization method based on digital product design model is put forward according to the analysis of digitalization preassembly method.
通过对数字化预装配方法的分析，提出了基于数字化产品设计模型的装配公差分析和优化方法。
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