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
We really enjoyed your company.
我们喜欢与你为伴。
Dogs that bark at a distance bite not at hand.
远处叫得凶的狗，不会近身来咬人。
but where had it come from?
但它是从哪儿来的呢？