单选题
434.That portion of the system which is used by flight and ground
434.That portion of the system which is used by flight and ground
personnel to communicate between areas on the aircraft. Includes items
such as amplifier, handset, etc.
A
乘务和地面人员在飞机区域之间进行通信的系统部分。包括放大器,听筒等设备
B
飞行和地面人员在飞机区域之间进行通信的系统部分。包括放大器,听筒等设备
C
飞行和地面人员在飞机区域之间进行通信的系统部分。包括氧气面罩,听筒等设备
答案解析
正确答案:B
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