常見例句雙語例句Standard test method for oxygenates and paraffin , olefin , naphthene , aromatic o - pona hydrocarbon types in low - olefin spark ignition engine fuels by gas chromatography.用氣相色譜對低烯烴火花點火引擎燃料芳香碳氫化合物類型，環(huán)烴，烯烴，石蠟和氧化物的標準試驗方法。www.translation-dictionary.net 返回 paraffin engine