metal-protective paint的用法和樣例：
例句
- If the paint is damaged,weather soon causes the steel beneath the paint to rust.
如果外層的保護漆受損，天氣可以使油漆下面的鋼鐵很快生銹。 - After laying plastic flooring, you must coat the floor with protective lacquer to avoid scratching the floor with dirt on the sole of shoes.
鋪上膠地板后，應涂一層膠地板專(zhuān)用的保護漆，以免鞋底沙塵擦花膠地板。
