bubbling carburettor

例句：

1. 1. The car's engine has a bubbling carburettor that helps it run smoothly.
   这辆车的发动机有一个沸腾式化油器，有助于它平稳运行。
2. 2. The bubbling carburettor is responsible for the car's fuel efficiency.
   沸腾式化油器负责提高汽车的燃油效率。
3. 3. The engineer replaced the old bubbling carburettor with a new one to improve performance.
   工程师用一个新的来替换旧的沸腾式化油器，以改善性能。