Reverse coating a version of the roll coating process where the applicator roll revolves in the opposite direction from the travel of the strip 逆涂?涂布辊转动方向和钢带的行进方向相反的涂布方式。
2.
Direct coat a version of the roll coating process where the applicator roll revolves in the same direction as the travel of the strip 沉积量(涂布量)化学转化膜或其它物质在金属前处理过程中的沉积量。
