surface-water drainage

Conclusion: The drainage of anterior sacral surface by perineum plays a very important role in prevention and treatment of anastomotic fistula after Dixon operation.

结论：经会阴骶前引流在防治直肠癌Dixon术后吻合口瘘中起着非常重要的作用。

Provision of necessary surface drainage systems to collect road runoff.

设置所需的路面排水系统,以收集路面径流.

Using Gridding Insert Value Arithmetic To Calculate Weihe River Drainage Basin Surface Average Precipitation Rain Fall

利用网格插值算法估算渭河流域面平均雨量

The analysis of trend surface demonstrates that the appearances of tidal creeks drainage basin systems are an important indication of the development of the temporal spatial spectra on the tidal flat coast of the Yellow River Delta.

趋势面分析表明，潮沟&潮盆体系的形成与发展是表征黄河三角洲潮滩海岸时空谱系发育进程的重要指标。

According to engineering arrangements which is surface drainage and deep intake, carrying out experiments systematically on different tidal range, different depths and different upstream flow run off to research the thermo-hydraulic behaviours. 4.

针对表排深取的工程布置，对不同潮差、不同水深、不同上游来流量情况下的温排放水力热力特性进行了潮位、流速和温度的物理模拟。