常見(jiàn)例句雙語(yǔ)例句According to the composition of Category: paraffin-based crude oil, naphthenic oil and three types of intermediate base crude oil;按組成分類(lèi):石蠟基原油、環(huán)烷基原油和中間基原油三類(lèi); 返回 paraffin based crude oil