Precoat
(在过滤器表面涂敷的)滤料层
🔁 扩展释义
【化】 预涂; 预涂布; 预涂层; 底漆; 打底子
🗣️ 情景例句
Good morning, everyone!
各位早安！
I will be going to school in a few weeks from now.
我将在几个星期后上学去。
Hi! I'm sorry I was out when you rang.
你好！我很抱歉，你打电话时我出去了。