英語翻譯
英語翻譯
During a cold start ,the air-fuel mixture drawn in by engine leans off.This due to the low turbulence at cranking speeds causing poor mixture of the fuel particles with the air ,and to the minimal evaporation of the fuel and wetting of the cylindet walls and intake ports with fuel at low temperatures.In order to compensate for these phenomena,and thus facilitate starting of the cold engine,additional fuel must be injectd during cranking.
During a cold start ,the air-fuel mixture drawn in by engine leans off.This due to the low turbulence at cranking speeds causing poor mixture of the fuel particles with the air ,and to the minimal evaporation of the fuel and wetting of the cylindet walls and intake ports with fuel at low temperatures.In order to compensate for these phenomena,and thus facilitate starting of the cold engine,additional fuel must be injectd during cranking.
英語人氣：460 ℃時間：2020-06-16 22:16:33
優(yōu)質(zhì)解答
由于發(fā)動機在過冷狀態(tài)下的啟動,由發(fā)動機導(dǎo)入的混合空氣燃料泄漏.泄漏的原因有三,分別以啟動速度是低波動而造成的燃料顆粒與空氣的不良混合,以及燃料的極小蒸發(fā)量、圓柱形側(cè)壁的濕潤、進氣口與燃料的低溫狀態(tài).為了彌...
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