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
Can I speak to Betty?
我能跟Betty说话吗?
If you can find another pair of tickets we'll have enough for a dozen people.
如果你能再找到两张，我们就可以有十二个人去了。
Here were not carvings in the rock but paintings.
这里岩石上不是石刻而是绘画。