【简答题】CCBII空气制动控制系统是一个为货运和客运机车设计的、以( )为基础的电空联合空气制动系统。
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【简答题】CCBII空气制动控制系统是一个为货运和客运机车设计的、以网络为基础的()空气制动系统。
【单选题】The text is perhaps written by ___.
【判断题】CCBII空气制动控制系统是一个为货运和客运机车设计的、以网络为基础的电空联合空气制动系统。