英语词汇“knapsack sprayer”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	knapsack sprayer
释义	knapsack sprayer noun or knapsack pump : a spraying apparatus consisting of a knapsack tank together with pressurizing device, line, and sprayer nozzle, used chiefly in fire control and in spraying fungicides or insecticides
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