The surface treatment technology is introduced for the high strength, bolt mechanical zinc coating. Specific instructions are provided for general trouble-shooting in the operation.
介绍了高强度螺栓机械镀锌的表面处理工艺，应对生产过程中常遇到问题提出了解决的方法。
This paper introduces its technology summary, typical processing and general machines. At last this paper analysis the application states and developing trend in heating treatment home and aboard.
本文介绍了真空热处理的技术概况、典型工艺及通用设备，并分析讨论了国内外真空热处理的应用现状及发展趋势。
This paper described the general situation of membrane technology and introduced the research and application in advanced treatment of drinking water.
详述膜技术的概况，并综合介绍它在饮用 水深度处理方面的研究与应用。
This paper described the general situation of membrane technology and introduced the research and application in advanced treatment of drinking water.
详述膜技术的概况，并综合介绍它在饮用 水深度处理方面的研究与应用。
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