以下哪一个不是MSRN？（） ["8613900943098","8613740755987","8613900935453","8613909434456"]
如果是（）负载，要将变频器的转矩运行代码设置成变转矩和降转矩运行特性。 ["A、风机和泵类","B、恒转矩","C、恒功率","D、线性转矩类"]
LAC由几个字节的BCD吗组成？（） ["1","2","3","4"]
“加密模式完成”消息M’和KC用哪种算法加密？（） ["A5","A3","A8","A6"]
TMSI由下面哪个网元分配？（） ["MSC/vlr","HLR","BSC","SSP"]
异步电动机启动不起来的原因有哪些？
