Lock(ing) valve
[化] 锁紧阀; 保险阀
🧩 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
My qualifications and experience perfectly match what you are looking for.
我具备的资格及经验完全符合你们的需求。
You can't get it any cheaper than this.
这再便宜你就买不到了。
Even more processes are never patented at all but kept as secret processes.
更多的工艺过程根本就不会取得专利权，而是作为秘方保存着。