短語(yǔ)詞組短語(yǔ)crude scale paraffin wax 精石蠟;粗石蠟crude oil paraffin base 石臘基Crude oil paraffin project internship 原油清防蠟項(xiàng)目實(shí)習(xí)crude paraffin wax 粗石蠟paraffin crude oil 石蠟基原油paraffin based crude oil 石蠟基原油paraffin base crude oil 石蠟基原油;生代paraffin based crude 石蠟基原油paraffin base crude 石蠟基原油 返回 crude paraffin