preassembly
- 1. 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。
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- 2. 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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- 3. 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。
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- 4. 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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- 5. 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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