To manage the water resources scientifically and to increase the using effciency of the water are the guarantees of the sustainable development of the social economy and environment.是什么意思_To manage the water resources scientifically and to increase the using effciency of the water are the guarantees of the sustainable development of the social economy and environment.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句