| 词汇 | antiknocking |
| 释义 | antiknocking adjective[ before noun ] uk /ˌæn.tiˈnɒk.ɪŋ/ us /ˌæn.t̬iˈnɑː.kɪŋ/ having a chemical that makes fuel in a car engine burn more effectively, so that the engine does not make a knocking sound: （加入汽油中使燃烧更充分的）抗震剂的，抗爆剂的 Benzene and many antiknocking additives are carcinogenic.苯和许多抗爆添加剂是致癌物。 an antiknocking agent 抗爆剂 See antiknock The company produces speciality fuel additives including antiknocking agents. To overcome engine noise, antiknocking fuels are used. Antiknocking agents need to be added to low-octane fuel because it causes engine knocking. Petroleum products especially when used as fuel diesel downstream four-star gas gasohol gasoline hexane high-octane juice kerosene leaded LPG mineral oil non-leaded octane octane number oil petroleum jelly premium unleaded |
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