名词
中文翻译：煤气主管道
同义词：
['gas line', 'gas pipe']
例句：
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1.The gas main was damaged during the storm.
暴风雨期间，煤气主管道受损了。
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2.The gas main was replaced after the leak was fixed.
泄漏修复后，更换了煤气主管道。
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3.Gas main repairs are a common cause of home fires.
煤气主管道的维修是家庭火灾的常见原因。