煤气管道破裂、液化石油气泄漏、自来水爆裂、路面桥梁塌陷等引起的灾害事故；

The break-up of the gas piping, the letting out of liquefied petroleum gas, the bursting of the running water pipe, calamity accident caused in subside of road surface and bridge,etc.

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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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那年冬天的早些时候，管道爆裂，水淹没了地下室，房子有一部分已经开始腐烂。

Earlier that winter, the pipes had burst, water had flooded the basement, and parts of their home were rotting.

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