unleaded fuel的用法和樣例：
例句
- Governments have tinkered with fiscal reform for decades for targeted problems, such as landfill space or unleaded fuels.
幾十年來，政府已對像填埋空間，無鉛燃料等問題實施了財政改革。 - Catalytic converters reduce carbon monoxide,oxides of nitrogen,and volatile organic compounds in emissions and necessitated the use of lead-free fuel.
催化轉爐減少了一氧化碳，氧化氮和揮發性有機混合物等的排放，而且無鉛燃料的應用也當成為必要。
