名词
中文翻译：管道系统
同义词：
['ductwork', 'piping system', 'ventilation system例句：1. The new duct-system in the factory is efficient and energy-saving.（工厂的新管道系统既高效又节能。）2. The engineer designed a complex duct-system for the building.（工程师为大楼设计了一个复杂的管道系统。）']
例句：
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1. The new duct-system in the factory is efficient and energy-saving.
工厂的新管道系统既高效又节能。
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2. The engineer designed a complex duct-system for the building.
工程师为大楼设计了一个复杂的管道系统。
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3.The duct-system was installed quickly and efficiently.
管道系统安装得很快且效率很高。