Injection valve
[化] 喷射阀
🧩 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
Take me to the railway station.
载我到火车站。
I went there on business.
我出差到那儿。
It is no use inviting the politician or the professional or business man,
同样也是无益的，对于政界人士、专业技术人员、商人来说，