Piston valve
[机] 活塞阀
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
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
Mary is not available at the moment.
Mary现在没空接电话
Please accept my congratulations on your recovery.
请接受我祝贺你康复。
Do you think so? Do you think managers want to read what users think about a new piece of office equipment?
你这样认为吗？你认为经理们会考虑用户对一件办公设备的反映吗？