blocking drainage

基本解釋

I'm in your gutter blocking your drainage.
我在排水溝里阻礙排水呢。
There are many treatment method for seepage of concrete dam body. Blocking at upstream face and drainage at downstream face is one generally adopted.
混凝土壩體滲水處理目前方法很多，一般采用上堵下排的方法。
In this paper on the basis of theory of unsteady flow in open channals the effective control area of drainage and tide-blocking sluice gates is analyzed.
本文結(jié)合浙江海涂墾區(qū)的具體條件，應(yīng)用明渠不恒定流的基本理論和計(jì)算成果，分析了擋潮排水閘的適宜控制范圍；