查询词典 drainage coefficient

Hydraulic experiments are conducted to investigate the Manning roughness coefficient of the tunnel drainage system .

利用多排矩形基桩模型进行水力试验，并在改变纵向及侧向模型间距及水深等条件下，研究隧道排水系统的曼宁粗糙系数特性。

Therefore,in this paper,a case study of Xulou iron ore in Huaibei City was taken to evaluate the effects of mine drainage on the urban water supply in safety.Besides,uncertainty of the coefficient of leakage was also analyzed in quantity.

水不仅是一种资源，同时也是环境的重要组成部分[1-2]，并关系到经济、社会的可持续发展，但就城市供水而言，水安全主要是指供水安全，是在保证供水水质安全基础上的水量安全。

According to the criterion for design of thermal power plant steam/water piping, this new model and method had considered on a good many actual details in design, such as the disposal of actual pipeline at the scene, the local resistance coefficient of pipeline accessories, the actual parameter and physical properties of the drainage of heaters and so on.

新的设计模型与方法在设计过程中参照火力发电厂汽水管道设计技术规定，充分考虑了现场实际管道的布置、管道附件的局部阻力系数以及各级加热器疏水的实际物性参数等诸多设计细节。

This paper presented the relationships between roof shapes and form coefficient under wind loads, drainage and corresponding loads caused by rain. The paper also discussed the relationship between roof shape and roof structural height and span and the relationship between roof shape and connection styles. These relationships will influence both safety and price of roof structure.

阐述了屋面形状与风载体型系数、屋面排水及相应雨水荷载的关系问题，讨论了屋面结构形式与屋面跨度和厚度的关系问题、屋面形状与钢结构节点形式的关系问题，这些问题对大型场馆钢结构屋面的安全性、经济性均有显著影响。

It goes back to what I told you...

现在回到我告诉过你的。。。

With a supporter in Mr Charest and an admirer in Mr Dumont, Mr Harper may be encouraged to call an election himself.

由于在沙雷那边有个支持者，杜蒙那边有个崇拜者，鼓励哈珀为自己举行一次选举。