Combination valve
[化] 复合阀
🧩 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
Oh! I just drop in on him for a chat.
哦，我只是顺便来和他聊聊天。
Would you let me know your fax number?
可以告诉我您的传真机号码吗？
How much money did you make?
你赚了多少钱？