短語(yǔ)詞組短語(yǔ)benzidine e dihydrochloride 聯(lián)苯胺鹽酸鹽Benzidine and benzidine dihydrochloride 聯(lián)苯胺和聯(lián)苯胺鹽酸鹽 返回 benzidine dihydrochloride