名词
中文翻译：上阀门齿轮箱壳体
同义词：
['upper valve housing', 'upper valve gear box', 'upper valve housing assembly']
例句：
-
1. The engineers are working on the upper valve gear housing to improve efficiency.
工程师们正在对上阀门齿轮箱进行改进以提高效率。
-
2.The upper valve gear housing is critical for maintaining proper fluid flow in the engine.
上阀门齿轮箱对于保持发动机中适当的流体流动至关重要。
-
3. The upper valve gear housing was damaged during the recent storm, requiring repairs.
最近一场暴风雨损坏了上阀门齿轮箱，需要进行修理。