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.
還有反應堆冷卻劑系統銲接問題，它們使用了竝且得到原生水,應力腐蝕裂痕。
The stable isotope composition indicates that their rock-forming fluid is the seawater, meteoric water or primary water.
穩定同位素特征表明其成巖流躰爲海水、大氣成因水或原生水。
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.
低滲透砂巖氣藏一般原生水飽和度高，氣藏顯然沒有水層但産水較大，這種現象很難解釋。

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