Selector valve
[化] 换向阀
🧩 词语组成解析
selector
[si'lektə]
n. 选择者，选择器;
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
That was fast.
而且又快。
Many happy returns of the day.
祝您长寿。
Where do you think you are? On a race track?
你认为你现在是在哪儿？在赛车道上吗？