Valve tube
[电] 阀管
🧩 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;
🗣️ 情景例句
That's just what I need!
真是怕什么来什么！（反话，用嘲讽的语气。）
How long has he been with that company?
他在那家公司多久了？
I'll tell the shipping superintendent about it for you.
我会把这事告诉出货组长。