The mutational strains can produce only components B of avermectins, that oligomycin biosynthesis gene cluster and aveD gene has been deleted.是什么意思_The mutational strains can produce only components B of avermectins, that oligomycin biosynthesis gene cluster and aveD gene has been deleted.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句