英语词汇“proportioner”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	proportioner
释义	pro·por·tion·er \-sh(ə)nə(r)\ noun (-s) : one that proportions : a device for securing proportions in a mixture < pumping liquid foam through a proportioner and smothering the fire in the gasoline hatch — K.M.Dodson >
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