surface drainage system的意思|示意

Punctal occlusion is a mechanical treatment in which the tear drainage system is blocked in order to aid in the preservation of natural tears on the ocular surface.

封闭泪点是一种机械性治疗，可以阻塞泪液排除系统，使得原有的泪液能保留在眼球表面。

The urban rainfall runoff pollution originates from the precipitation, the urban surface and the drainage system.

城市降水径流污染中的污染物主要来自降水、城市地表和排水系统。

This essay also introduces some installation methods of rain cups and pipes suitable to the big house surface draining rain through pressure flow rain drainage system.

介绍了适用于大屋面雨水排放的压力流雨水排水系统中雨水斗和管道的安装方法。

If no drainage system exists, the water table rises, bringing dissolved salts to the surface.

如果没有排水系统，地下水位就会上升，把溶解的盐带到地表。

The drainage design of urban highway deals with only the surface run-off. It presents a new drainage system considering the road surface, pavement structure, and subgrade (including green belt).

城市快速路排水设计，一般只考虑路面径流的做法，主要从道路表面、路面结构内部和路基(包括绿化带)三方面时排水进行综合介绍。

The former was deduced by the natural small basin, but it is not being considered the underlying surface change and different drainage tube net system.

前者是根据天然小流域导出的，对城区因下垫面的变化及排水管网系统的差异，采用该方法显然不十分合适；