primary water purification plant 一次水净化装置 ; 一回路水净化装置water purification installation水净化装置 And Water Purification Works 和水净化工程 ..
权威例句
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The project involved the installation of a waterpurification system capable of producing up to 20, 000 liters of drinking water per day and currently supplies over 600 residents with clean drinking water.
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