该文以盘锦公路工程为例,阐述了建造投资决策、设计、招投标、施工、竣工等工程建设全过程各个阶段的造价控制及管理,可供同行参考......

Surrounding rock of coal seam was one of the important factors to gas occurrence. The coal seam gas occurrence was studi......

潘家口水库重力坝水平裂缝位于水下,危及坝体安全,水库被迫限制水位运行,严重影响效益发挥.采用水下封堵等综合措施在不降低库水位......