说明：  可以供四组人员进行操作的智力抢答器，当一次抢答完成后可以复位继续进行抢答，当抢答成功时会显示号码并响铃
(Be available for four groups of personnel to operate the intellectual Answer, and when after the completion of an Answer to Reset Answer to continue, when the Answer success will show number and ringing)