英语词汇“primary standard”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	primary standard
释义	primary standard [化] 基本标准物质
随便看	director-general of fair trading director general of post director-generals directorial directorially directorian directoried directoried data set directories directorio directorish directoritis directorize directorless director liability directorly director meter director musices director of a bureau Director of Accounting Services director of admissions director of a factory director of an institute Director of Audit Director of Central Intelligence 汹涌彭湃汹涌淜湃汹涌澎湃決汻汼汽汾汾2 汿かにたまかにたま【蟹玉】かにばらいぜーしょんかにばりぜーしょんかにゅうかにゅう【加入】かぬーかねかねかね