基本解釋[能源科學(xué)技術(shù)]不飽和脂族烴詞組短語短語aliphatic c unsaturated hydrocarbon 不飽和脂族烴unsaturated aliphatic hydrocarbon 不飽和脂肪烴aliphatic unsaturated hydrocarbon更多詞組專業(yè)釋義能源科學(xué)技術(shù)不飽和脂族烴