Restriction orifice
[化] 节流孔板
🧩 词语组成解析
orifice
['ɔrɪfɪs]
n. 孔;洞口;
🗣️ 情景例句
Make yourself at home.
勿客气。
What are you looking for?
你正在找什么？
We're in Class Three, Grade One.
我们是在一年级，三班。