• 1. fuel utilization factor: 燃料利用系数
• 2. vehicle fuel utilization factor: 汽车燃料利用率
• 3. factor fuel-utilization: 燃料利用因数

• 1.High thermal utilization factor, resource as steam, electricity and heating, coal, oil, fuel heaters, etc, could be used according to the user's situation.
  热利用率较高，可依用户情况选用蒸汽、电加热、燃煤、燃油、燃气炉等。
  dict.yoduao.com

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