Pneumatic positioner valve
[化] 气动阀门定位器
🧩 词语组成解析
[化] 定位器
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
Mrs. Harry Bennett.
Harry Bennett太太。
There are one hundred pennies in every dollar.
每美元是一百美分。
Before we had time to worry about what might happen, we were back on the plain again.
我们还未来得及担心后果，车已重新开上了平地。