Permactron
双注电子波管
🗣️ 情景例句
Thank you for everything.
一切谢谢你。
I asked him to come with me , but he wouldn't.
我请他和我一起来，但是他不肯。
First, I'd like to tell you a few things about this factory.
首先，我想告诉你们有关这家工厂的一些情况。