Harmodotron
(产生毫米波的)电子束管, (正交场)毫米波振荡管
🗣️ 情景例句
Nice whether we are having.
天气真好。
Don't know how to play the game.
不上道。
and of offering to the tenants offices and apartments that please them.
和向租房人提供使他满意的办公室和住房。