明沟排水 meaning in Chinese
drainage in the open
external drainage
gutter drainage
open cut drainage
open ditch drainage
open drainage
surface drainage
Examples
- After analyzing the adaptability of molepipe drainage , an underground water table regulation is given out . finally , the efficiency of the drainage technique is determined after its comparison with gutter drainage and vertical drainage , and deep research on the effect of molepipe drainage on water table in a typically selected area
对暗管排水的适应性进行分析，提出了灌区地下水调控标准，与明沟排水和竖井排灌相比较，对暗管排水典型区调控地下水位的效果进行深入的分析研究，以确定这一排水技术的效果。