Kenetron
大型热阴极二极电子管(用于工业整流和 X-射线设备), 高压二极管
🗣️ 情景例句
My head is killing me.
我的头疼死了。
Only that which is honestly got is gain.
正当的收入才是真正的收入。
Sorry, but could you kindly repeat what you just said?
抱歉，你可以重复刚刚所说的吗？