短語(yǔ)詞組短語(yǔ)Dative covalent bond 配位鍵;配位共價(jià)鍵dative e bond 配價(jià)鍵heme and dative bond 血紅素與配價(jià)鍵dative covalent bondcoordinate bond 配位鍵 返回 dative bond