Relief valve
安全阀\\n[化] 安全阀; 减压阀
🧩 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
Or did you forget to give it to me?
或许是你忘了给我吧？
If Grade A is not available, Grade B will do.
如果一等品无货，二等品也可以。
As soon as he saw us, he picked up a long pipe which was covered with coins and opened one of the baskets.
他一见我们，就拿起了一个长长的上面镶有硬币的管乐器，并掀开了一个筐的盖子。