Channel valve
[化] 槽阀
🧩 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
No ... thank you.
不……谢谢你。
Who wrote that song?
那支歌曲谁写的？
Once the existence of this wave-length had been discovered,
一旦这种波长的实际存在被发现，