Beijing Capital International Airport uses wireless digital trunked communication system to ensure the efficient and smooth operation of the airport._精华吧

Beijing Capital International Airport uses wireless digital trunked communication system to ensure the efficient and smooth operation of the airport.

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Beijing Capital International Airport uses wireless digital trunked communication system to ensure the efficient and smooth operation of the airport.

A.正确

B.错误

正确答案：正确

Tag：风从东方来今日中国概况时间：2021-12-29 13:11:40

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