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首页 - 英汉词典 - U字开头的单词或词组 - upper stem seal

英语解释

upper stem seal

汉语翻译

【化】上阀杆密封

0

纠错

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virtual upper bound upper-class upper-bracket upper yield point upper way computer upper value upper uterine segment upper urtate upper triangular matrix upper tray upper transmission upper track

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