landing gear control valve

例句：

1. 1.The landing gear control valve is responsible for controlling the descent of the aircraft.
   着陆装置控制阀负责控制飞机的下降。
2. 2.The engineers had to replace the landing gear control valve due to its failure.
   工程师们不得不更换着陆装置控制阀，因为它已经失效了。
3. 3. The landing gear control valve is a critical component in maintaining air traffic control.
   着陆装置控制阀是维护空中交通控制的关键部件。