名词
中文翻译：碳按钮
同义词：
['carbon switch', 'carbon switch button']
例句：
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1.The carbon button on the remote control is easy to press.
遥控器上的碳按钮很容易按。
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2. The carbon button on the car ignition system is a safety feature.
汽车点火系统的碳按钮是一个安全特性。
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3. The carbon button on the door lock was broken, so I had to use the key.
门锁的碳按钮坏了，所以我不得不用钥匙。