Reduction valve
[化] 减压阀
🧩 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
Please sit down, Alexandra.
请坐 Alexandra。
The sun shines all alike.
太阳同样地普照一切。
She picked it up and gave it back to me.
她把它捡起给了我。