名词
中文翻译：主要入口
同义词：
['primary intake', 'primary feed', 'primary inlet']
例句：
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1. The main intake is located at thetop of the building.
主要入口位于大楼顶部。
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2.The plant has a primary intake for freshwater and a secondary intake for wastewater.
该工厂有淡水和废水的初级和次级进水口。
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3. The mainintake was blocked by alarge tree.
主要的进水口被一棵大树堵塞了。