Precoated
(precoat 的过去时) (在过滤器表面涂敷的)滤料层
🗣️ 情景例句
Many shopping malls and supermarkets can deliver goods straight to your door.
许多购物中心和超市提供免费送货上门服务。
Work has a bitter root but sweet fruit.
劳动根虽苦，然而果实甜。
she presented a more majestic spectacle than Stockholmers had ever seen before.
瓦萨号展现的壮观景象是斯德哥尔摩人从未见过的。