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
I'd appreciate that.
谢谢你让我使用电话。
We hope to hear from you soon and can assure you that your order will be dealt with promptly.
希望尽快收到贵方答复，我们保证及时处理对方定单。
Though the costume consisted only of a sheet, it was very effective.
尽管化装服仅由一个被单制成，却十分逼真。