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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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更新时间:2024/12/23 20:39:32