carburetor throat

例句：

1. 1. The car's carburetor throat is clogged, which affects its performance.
   汽车的化油器喉部堵塞了，影响其性能。
2. 2. The engine's carburetor throat needs to be cleaned regularly to prevent blockages.
   发动机的化油器喉部需要定期清理，以防止堵塞。
3. 3. The technician had to replace the carburetor throat of the old car with a newone.
   技师不得不用一个新的化油器喉部替换旧车的。