F-f cavity preselector
[电] 射频空腔预选器
🧩 词语组成解析
[计] 预选器, 预选程序
🗣️ 情景例句
Reading?
读书？
Do you have a coin for the phone?
你有打电话的硬币吗？
When is the store closing?
这家店什么时候结束营业？