名词
中文翻译：Unknown
同义词：
['water main', "water supply pipeline例句：1. The city's water-supply line is under repair due to a leak.（由于泄漏，该市的供水管线正在维修。）"]
例句：
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1. The city's water-supply line is under repair due to a leak.
由于泄漏，该市的供水管线正在维修。
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2.The construction of the water-supply line has been completed.
供水管线的建设已经完成。
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3.The water-supply line is essential for maintaining the city's water supply.
供水管线对于维护城市的供水系统至关重要。