Sentron
防阴极回轰式磁控管(短波电子管), 防阴极反加热式磁控管A-type sentron A型仙台放电管
🗣️ 情景例句
You can't fight it.
你再争也没有用。
Congratulations on your good luck.
我恭喜你好运。
He led them down the mountain.
他带他们下山。