chromate pigments

例句：

1. 1.The paint was a dark chromate that matched the wall perfectly.
   油漆是一种深色调的铬酸盐，与墙壁完美匹配。
2. 2.He applied the chromate to the surface of the metal to protect it from corrosion.
   他将铬酸盐涂在金属表面以保护它免受腐蚀。
3. 3.The chromate coating on the steel is essential for its durability and resistance to wear.
   钢上的铬酸盐涂层对其耐用性和抗磨损能力至关重要。