Valve voltmeter
[电] 电子管电压表
🧩 词语组成解析
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
n. 伏特计\\n[化] 伏特计
🗣️ 情景例句
He was involved in a political scandal.
他被牵涉到了一宗政治丑闻中。
It's about time to get up.
差不多该起床了。
how many heath fires they cause, how much litter they leave, in short,
即他们引起了多少场野火，留下了多少垃圾。总之，