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1.The sonic-idle carburetor was designed to improve fuel efficiency.
声学怠速喷油器的设计是为了提高燃油效率。
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2. The engineers found that the sonic-idle carburetor was causing a problem with the engine's performance.
工程师们发现声学怠速喷油器导致发动机性能出现问题。
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3. The sonic-idle carburetor is an essential component of modern cars, providing precise control over fuel delivery.
声学怠速喷油器是现代汽车的必备部件，它提供了精确的燃油输送控制。