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

单词	precursor substance
释义	precursor substance　产物母体, 先质, 前身物质
随便看	transport station transport statistics transport symbol transport system transport system transport system transport time transport under escort transport undertaking transport unit transport user transport vehicle transport velocity transport width transport-level transport-level module transport-level software transportability transportable transportable transportable transportable transportable approach transportable auger transportable control language

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