详细介绍了汽车仪表印刷电路板手工锡焊的组成要素及工艺过程。
This paper introduces in detail the component and technology process of printed circuit board hand tin-lead bonding of auto instrument.
详细介绍了汽车用低压电线束制作过程中导线手工锡焊的组成要素、工艺过程、质量检查。
The composition elements, technical process and quality inspection of handicraft tin welding in the process of low-voltage electric harness for automobile are introduced in this paper.
介绍了涂层钢板的生产工艺、关键生产技术、设备以及涂层钢板所用涂料和覆膜，同时对涂层钢板生产过程中的质量控制要素进行了分析。
It is introduced its production process, key technique and equipments as well as the paint and covering-film used for it. The main quality control factors in production are analyzed.
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