英语词汇primary center是什么意思，primary center的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	primary center
释义	primary center　【计】主中心
随便看	charging port charging portion charging position charging profit and loss method charging pump charging rate charging reactor charging resistor charging room charging scaffold charging scale charging scales charging schedule charging scoop charging sequence charging set charging sheet charging side charging skid charging skip charging spout charging stage charging station charging stock tank charging stroke

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