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首页 - 英汉词典 - U字开头的单词或词组 - useful-life

英语解释

useful-life

汉语翻译

n. 有效期限
【计】有效期限

0

纠错

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useful life estimated useful life be very useful at be useful to useful/useless production useful vacuum degree useful time useful load useful length useful density range useful cross section useful area

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