更新时间：2026-07-07 23:45:58
permanent echo
permanent echo是什么意思？
固定目标回波
- 单词
- permanent echo
固定目标回波
- permanent circuit
- permanent cathode
- permanent testing
- permanent alimony
- permanently
- permanent
- Permanent support
- permanent carrier
- permanent bearing
- permanent fitting
- permanent officer
- permanent bracing
permanent echo是什么意思 permanent echo在线翻译 permanent echo什么意思 permanent echo的意思 permanent echo的翻译 permanent echo的解释 permanent echo的发音 permanent echo的同义词