English translation for "空号信号"

not obtainable signal
number unobtainable signal
unallocated number signal
vacant number signal

Similar Words：

"空号偏压" English translation, "空号偏压畸变" English translation, "空号频率" English translation, "空号损耗" English translation, "空号同步" English translation, "空号音" English translation, "空号中继线" English translation, "空号状态" English translation, "空盒" English translation, "空盒，空箱，空瓶" English translation