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
and the towels with the teddy bears on them?
和泰迪熊毛巾吗？
The X2500 will change your work in the office.
X2500将会改变你在办公室的工作。
They were puzzled by several things.
有几件事情使他们感到迷惑不解。