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
This city is just too overpopulated.
这个城市人口太过稠密。
May I have a customs declaration form, please?
请给一份海关申报表好吗？
Happy birthday! said Polly, and gave Ann her present---a red feather.
“生日快乐！”波利说，然后给安送礼物--一根红羽毛。