Valve diagram
[机] 阀动图
🧩 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
I'm sure Alexandra
我相信Alexandra
Could you say it again?
你能再说一遍吗？
On behalf of my company, I would like to welcome you here.
我代表我们公司欢迎你来这里。