In general civil construction, the roof about the whole building heat loss around 20% of heat loss, thus building the importance of rational use of thermal insulation materials.

在一般民用建筑中，屋面热损耗约占整个建筑热损耗的20%左右，因而在建筑中合理使用保温隔热材料十分重要。

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It realized rational general layout in narrow area by making use of abandoned excavated materials and overall construction site allocation in Longtan Hydropower Station.

龙滩水电站工程通过利用工程弃渣和统一调配使用场地，实现了狭窄坝区的施工总布置。

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Understanding, proficient in the construction process, familiar to general public and special decorative materials, clearly understand the market price of materials;

③了解、精通各施工工艺流程，熟悉大众及特殊装饰材料，清楚、了解市场材料价格；

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