介绍冷铸镦头锚的构造，给出了主要技术要求。
The construction of cold casting heading anchor is introduced, and the main technology requirements of the construction are given.
介绍汽轮机制造质量控制的主要技术要求和要点。
Major technical requirements and highlights in the steam turbine manufacture quality control are presented.
介绍了目前常用于电子元器件电镀纯锡液的主要技术要求。
Main technical requirements of pure tin plating bath common used for electronic component and device electroplating were introduced.
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