Valve casing
[机] 阀箱, 阀壳
🧩 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;
casing
[['keisiŋ]]
n. 箱, 盒, 包装, 框, 套管\\n[化] 汽车外胎
🗣️ 情景例句
Why were you out of work for so long?
你为何这么久没有工作？
Shut up!
闭嘴！
They praised him highly.
他们大大地表扬了他。