Roger Gauthier, a hydrologist with the U.S.Army Corps of Engineers said even heavy snowfall in January and February may not be enough to replenish the water lost.
美国工兵处水文学者RogerGauthier说一大雪都必足够补充五大湖失去水。
Roger Gauthier, a hydrologist with the U.S.Army Corps of Engineers said even heavy snowfall in January and February may not be enough to replenish the water lost.
美国工兵处水文学者RogerGauthier说一大雪都必足够补充五大湖失去水。
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