carburetor choke

例句：

1. 1. The car's carburetor choke was causing the engine to sputter.
   汽车的化油器堵塞导致发动机发出嘶嘶声。
2. 2.He had to replace the carburetor choke on his lawnmower.
   他不得不更换他的割草机上的化油器堵塞。
3. 3. The mechanic fixed the carburetor choke and made sure it was working properly.
   机械师修好了化油器堵塞，并确保它正常工作。