A multistate agreement to conserve Colorado River water took an important step forward yesterday as a key legislative panel signedoff in Arizona, the last of seven states that must sign on to the deal by tomorrow.Amid fears that prolonged drought is endangering water supplies from the Colorado River, a state House committee votedunanimously to let Arizona sign on to the agreement and implement a series of changes to state water laws.
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机译：一项保护科罗拉多州河水的多州协议昨天向前迈出了重要的一步，因为重要的立法小组在亚利桑那州签署了协议，这是七个必须在明日前签署该协议的州中的最后一个。 r n担心干旱会持续很长时间为了威胁科罗拉多河的水供应，州众议院委员会投票通过 n n，让亚利桑那州签署该协议，并对州的水法进行一系列修改。
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