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。

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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。

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Both the fecal coliform Numbers given and the chlorination concentration mentioned are two primary water-quality indicators.

给出这两种细菌的数量以及讨论的氯化浓度是两种主要的水质指示剂。

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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.

VOA: standard.2010.08.04

Do you now rely or have you ever relied on well water as your primary water source?

CNN: Basal cell carcinoma

Agricultural cultivation consumes the largest share of water in the Arab region and is a primary source of water stress.

UNESCO: EDUCATION

Thus, protecting the Kissimmee River, the primary source of water for Lake Okeechobee and the Everglades, has become a paramount goal for conservationists.

BBC: Florida��s newest wildlife refuge