It is mostly agricultural irrigation that is driving the increase, because it accounts for 70 to 80 percent of global groundwater usage.
这主要是农业灌溉是推动了这一增长，因为灌溉占全球地下水用量的70%至80%。
They have a variety of technical articles, mostly related to irrigation and water treatment, available for free download in the "Library" section of their site.
网站的“图书馆”有各种专业文章，大部份与灌溉和水处理相关，免费下载。
Datong City's sewage water is mostly untreated or is not up to the standard after treating, and then directly drains into river for irrigation, the agriculture eco-environment is seriously affected.
大同市污水大都未经处理或处理不达标，直接排入河道用于灌溉农田，对农业生态环境造成严重的影响。
For the present China's small-sized horizontal engines with single-cylinder are mostly used on walking tractors, small type harvester, and small portable irrigation equipment, etc.
目前我国小型单缸卧式发动机多用于手扶拖拉机、小型收割机、小型移动式排灌装置等。
Seeping irrigation will be mostly used for dependency cultivation, desertification control, improvement of saline soil, and city virescence in the future.
渗灌在保护地栽培、荒漠化治理、盐碱地改良、城镇绿化等领域有广阔的应用前景。
Seeping irrigation will be mostly used for dependency cultivation, desertification control, improvement of saline soil, and city virescence in the future.
渗灌在保护地栽培、荒漠化治理、盐碱地改良、城镇绿化等领域有广阔的应用前景。
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