聚乙烯材料基础知识、管材管件规格、管道的施工规范、技术要点、管理经验及设计参数。
Basic knowledge of polyethylene material, pipe fittings specifications, pipeline construction specifications, technical points, management experience and design parameters.
介绍了大型堆浸提金工艺的具体施工设计、生产应用与企业管理等方面的技术及应用问题。
The paper describes the construction design, production application and enterprise management relating to large heap leaching gold extraction technology.
论述了城市居民住宅小区给排水设计、施工、使用及管理工作。
This paper discusses the design water supply and drainage, construction, use and management job of urban resident building.
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