propagation delay time
短语词组
- tpt propagation delay time 传播延时
- propagation time delay 传播时间延迟英语
- Propagation Delay Time HIGH -to-LOW Level 传播延迟高到低
- Propagation Delay Time LOW -to-HIGH Level 传播延迟低到高
- Propagation time -delay of ground-wave 地波传播时延 返回 propagation delay time