英语词汇“城市供水管网系统水质二次污染的原因及防治对策”的翻译、意思、用法、释义-英汉汉英双解词典

单词	城市供水管网系统水质二次污染的原因及防治对策
释义	城市供水管网系统水质二次污染的原因及防治对策 The Cause and the Measures of the Prevention and Cure Regarding the Secondary Pollution of Water Quality in Municipal Water Supply Piping System
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