单词interval signal
网络: 间隔信号；调谐信号；周期信号
The station played Cantata to Marshal Kim Il Sung after the interval signal.
这座电台会不时插播一些歌颂金日成将军的合唱曲目。
Improvement and Application of Air Preheater Sealed Interval Signal Measuring Amplifier for Power Plant
火电厂空预器密封间隙信号测量放大器的改进与实践