The second-most-hazardous energy source?
而第二危险源是什么呢？
A report by Switzerland's Paul Scherrer Institute estimates that DAMS are the most potentially hazardous source of energy.
瑞士PSI研究所的一份报告揭示了水坝是第一潜在风险源。
A report by Switzerland's Paul Scherrer Institute estimates that DAMS are the most potentially hazardous source of energy.
瑞士PSI研究所的一份报告揭示了水坝是第一潜在风险源。
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