美国水工协会(AWWA)成立于1881年，是非赢利的国际科学教育组织，致力于改进饮用水质量和供应。
The American water Works Association (AWWA) founded in 1881, is an international nonprofit scientific and educational society dedicated to the improvement of drinking water quality and supply.
同时，据美国水工程协会（American Water Works Association）报告，每年有超过五十万根管道发生爆裂，并且由此导致的泄漏有60多亿加仑。
Meanwhile, more than half a million pipes burst every year, according to the American Water Works Association, and more than 6 billion gallons of water are lost to leaky pipes.
同时，据美国水工程协会（American Water Works Association）报告，每年有超过五十万根管道发生爆裂，并且由此导致的泄漏有60多亿加仑。
Meanwhile, more than half a million pipes burst every year, according to the American Water Works Association, and more than 6 billion gallons of water are lost to leaky pipes.
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