fuel economy的用法和样例:
例句
- This method has the advantage of saving fuel.
这种方法有节约燃料的优点。
- There is no incentive for people to save fuel.
没有使人们节约燃料的鼓励办法。
- Raw or liquid fuel doesn't ignite, so excessive hydrocarbons can be emitted out the tailpipe.
并保持理想的燃烧效率。
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