fuel economy的用法和樣例:
例句
- This method has the advantage of saving fuel.
這種方法有節約燃料的優點。
- There is no incentive for people to save fuel.
沒有使人們節約燃料的鼓勵辦法。
- Raw or liquid fuel doesn't ignite, so excessive hydrocarbons can be emitted out the tailpipe.
並保持理想的燃燒效率。
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