air intake branch

例句：

1. 1.The car's air intake branch is designed to improve efficiency.
   汽车的进气分支设计用来提高效率。
2. 2. The engine's air intake branch is crucial for maintaining proper combustion.
   发动机的进气分支对于保持适当的燃烧至关重要。
3. 3. The engineer replaced the air intake branch and tested the new one.
   工程师更换了进气分支并测试了新的。