E1数据报文进入ZXCTN设备后由于其为STM帧格式，所以在ZXCTN传送的E1数据报文中不包含优先级的信息！ The E1 data message transmitting in the ZXCTN equipment does not include priority information after the E1 data message enters the ZXCTN equipment, because its format is the STM frame format.
（A）对
（B）错
参考答案
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