名词
中文翻译：节流孔
同义词：
['throttle', 'throttle valve', 'throttle hole']
例句：
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1. The car's engine has a throttle orifice that can be adjusted to control the speed.
这辆车的发动机有一个可调节的节流孔，可以控制速度。
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2.The engineer used a throttle orifice to regulate the flow of oil in the engine.
工程师使用一个节流孔来调节发动机中油的流量。
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3.The pilot needed to throttle the aircraft's engines to maintain altitude.
飞行员需要调整飞机引擎的节流孔以保持高度。