water-conserving agent是什么意思，water-conserving agent的翻译，water-conserving agent音标、读音、用法和例句

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water-conserving agent是什么意思，water-conserving agent的翻译，water-conserving agent音标、读音、用法和例句_流逝汉英词典

water-conserving agent

基本解释

专业释义

交通運輸工程