n-butylbenzene正: the first month of the lunar ...丁基: butyl; butyl group正丁基苯基甲酮: n-butyl phenyl ketone正丁基: n-butyl; normal-butyl三正丁基膦: tri-n-butyl phosphine下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:正丁基苯,即可在微信中查询翻译