collecting head是什么意思

用法例句

Exploration of the Discussion on the Ways of Building Water-collecting Green Space in Beijing;

北京集水型公园绿地建设探讨

On the basis of natural conditions of lack of rainfall on the Loess Plateau, this paper presents a method of design and construction in rainwater harvesting system for afforestation, which is suitable to the regions of 300 600?mm rainfall.

根据黄土高原地区降水缺乏的自然条件 ,该文提出了 30 0mm到 6 0 0mm地区用于造林的集水设计与施工方法 。

CFD study on effect of catchment area on hydraulic performance of subsurface flow constructed wetland;

用CFD研究潜流人工湿地集水区对其水力学性能的影响

An individual-based catchment scale forest dynamic model;

基于个体的集水区森林动态模型

Effects of land-use pattern change on soil and water loss at the catchment scale in the hilly and gully area of the loess plateau of China;

黄土丘陵沟壑区集水区尺度土地利用格局变化的水土流失效应

For all the five soilless cultivated vegetables of the polluted water,enrichment level of metal elements was found different.

结果表明,污染水体中水培蔬菜的金属元素富集水平是不同的。

There is a water station at land of water source at Hanan Lake of Xinjiang.

在新疆哈南湖水源地,建有集水站。