Remote valve
[化] 遥控阀
🧩 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
A critic was there this morning.
一个评论家早上去过了。
How long does it take for a letter to get to California ?
一封信到加利福尼亚要花多长时间？
The contract will be sent to you by air mail for your signature.
合同会航邮给你们签字。