normal storage water level meaning in Chinese

正常蓄水位

When combined method is applied , damaged area develops from down stream to up - stream , besides , controlling effect of discontinuous joints is shown . at normal storage water level , the combined safety factors are 4 . 05 and 3 . 75 for 9b and 4b respectively
结果表明，超载法时，破坏区从上游向下游发展，且破坏前锋一直沿建基面附近；综合法时，破坏区从下游向上游发展，并表现出裂隙结构面参数的控制作用。
Based on the project scale argumentation of letan hydropower station , the paper briefly introduces the main results of scheme ' s technical & economical comparison and the main factors of scheme option in the option and design stage of the normal storage water level and installed capacity , as well as the evaluating opinions given by the specialist group of project proposal evaluating committee ; the main technical characteristics for similar project scale argumentation are summarized up according to the project scale design argumentation of letan hydropower station
摘要通过乐滩水电站工程规模论证，简述该工程正常蓄水位选择和装机容量选择设计阶段方案技术经济比较的主要成果、取舍方案的主要因素、以及项目建议书评估会专家组的评估意见；并根据乐滩水电站工程规模设计论证总结类似工程规模论证时的主要技术要点。