名词
中文翻译：手开关
同义词：
['hand switch', 'manual switch', 'hand-operated switch']
例句：
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1. Thecar's hand switch is located on the steering wheel.
车的手动开关位于方向盘上。
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2.The old manual switches are difficult to operate.
旧的手动开关很难操作。
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3.The new model has a more convenient hand switch design.
新款模型有更便捷的手触式开关设计。