The host sets the provided time for the answering race through the time-setting switch, after this the system will count down the time automatically.
主持人通过时间预设开关预设供抢答的时间，系统将完成自动倒计时。
The host sets the provided time for the answering race through the time-setting switch, after this the system will count down the time automatically.
主持人通过时间预设开关预设供抢答的时间，系统将完成自动倒计时。
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