primary water

基本解释

There are reactor coolant system weld issues, they're used and they're getting primary water stress corrosion cracking.
还有反应堆冷却剂系统焊接问题，它们使用了并且得到原生水,应力腐蚀裂痕。
The stable isotope composition indicates that their rock-forming fluid is the seawater, meteoric water or primary water.
稳定同位素特征表明其成岩流体为海水、大气成因水或原生水。
There is an intricate phenomenon that the content of primary water is high in sandstone gas reservoir with low-permeability, but several gas wells can produce water.
低渗透砂岩气藏一般原生水饱和度高，气藏显然没有水层但产水较大，这种现象很难解释。

The U.S.Environmental Protection Agency,or EPA, lists stormwater as the primary cause of water pollution in the United States, and encourages local communities to develop management plans to treat run-off before it pollutes their rivers, lakes or streams.

Agricultural cultivation consumes the largest share of water in the Arab region and is a primary source of water stress.
UNESCO: EDUCATION
In rural areas poverty leads to a lack of the basics: food, water, primary schools, simple health care.
ECONOMIST: Anti-poverty programmes
The primary goal of the 'Water for Life' Decade is to promote efforts to fulfil international commitments made on water and water-related issues by 2015.
UNESCO: OFFICE IN TASHKENT