名词
中文翻译：主给水管
同义词：
['main line', 'main supply pipe']
例句：
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1. The main feed pipe is responsible fordelivering water to the entire building.
主给水管负责将水输送到整个建筑。
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2.Main feed pipes are typically located in thebasement or at the lowest point of thebuilding.
主给水管通常位于地下室或建筑最低点。
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3. The construction crew replaced themain feed pipe and tested the system beforereopening the building.
施工队更换了主给水管，并在重新开放建筑前测试了系统。