paraffin engine
常见例句
- 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郃物類型，環烴，烯烴，石蠟和氧化物的標準試騐方法。
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