名词
中文翻译：三掷开关
同义词：
['three-throw switch', 'three-throw relay例句：1. The three-throw switch is used to control the speed of a motor.（三掷开关用于控制电机的速度。）']
例句：
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1. The three-throw switch is used to control the speed of a motor.
三掷开关用于控制电机的速度。
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2.The three-throw switch was designed to simplify the operation of the machine.
三掷开关的设计是为了简化机器的操作。
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3. The three-throw switch is commonly used in industrial settings where precise timing is required.
三掷开关在工业环境中被广泛使用，因为需要精确的时间控制。