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
I hope he's good when we're away.
我希望我们不在的时候他很乖。
Did you sleep well last night?
你昨晚睡得好吗？
I hope you are well. Thank you for your last letter.
愿你身体健康。感谢你上次来信。