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1比500的消毒液怎么算
更新时间: 2019-03-19 00:00:00  

假设需要配置35升水,设用消毒液原液x升,1比500=x比35,x=35除以500=0.07(升),0.07升=70毫升, 即消毒液原液70毫升,水35升,混合后的消毒液总体积大约是35.07升。

关键词: 毒液 怎么

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