名词
中文翻译：球阀调节器
同义词：
['ball valve', 'ball throttle例句：1. The ball governor is responsible for controlling the speed of the engine.（球阀调节器负责控制发动机的速度。）']
例句：
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1. The ball governor is responsible for controlling the speed of the engine.
球阀调节器负责控制发动机的速度。
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2.The ball governor was designed to improve fuel efficiency.
球阀调节器被设计用来提高燃油效率。
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3. During the test, the ball governor was adjusted to optimize performance.
在测试期间，球阀调节器被调整以优化性能。