It has been proved that these cracks are caused by sulfide stress corrosion cracking (SSCC) through failure analysis and service environmentsurvey.
通过失效分析和管道服役环境调查，证明开裂原因是管道服役期间发生硫化物应力腐蚀开裂(SSCC)。
2
"Antarctica creates a hostile environment," says the operations director for the British Antarctic Survey, "if you are not careful, it'll come around and bite you."
“南极洲创造了一个充满敌意的环境，”英国南极调查局运营总监说，“如果你不小心，它就会反咬你一口。”
3
The United Nations Environment Programme and the World Bank have funded attempts to survey the groundwater resources of arid lands and to develop appropriate extraction techniques.