Hinged valve
[机] 铰链阀, 合叶阀
🧩 词语组成解析
hinged
[['hindʒd]]
a. 有铰链的
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
I'll bicycle down to the village and get them.
我骑脚踏车去镇上拿。
Poli-sci major
专攻政治社会学
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？