beacon frequency
短语词组
- laser beacon frequency locking 激光信标锁频
- search and rescue beacon frequency 搜救信标频率
- frequency beacon 信标频率
- low frequency beacon 低频信标;翻译;低频信标英语
- dual frequency beacon 双频信标
- double frequency beacon [测]双频信标
- LFB Low Frequency Beacon 低频信标
- radio -frequency beacon 射频信标机
- double e frequency beacon 双频信标 返回 beacon frequency