Permatron
[计] 磁控管
🗣️ 情景例句
Hey, can I get your telephone number.
我能得到你的电话号码吗？
I left very early last night, but I wish I hadn't left so early.
我昨晚离开得非常早，但我希望我没有离开那么早。[大学英语六级]
the graphic record shows three waves arriving one after the other at short intervals.
曲线纪录就能显示出前后相间的这3种地震波。