impact surface meaning in Chinese

冲击面
撞击面

Its zirconia grains are used widely used in impact surface treatment for molds cleaning , metal parts finishing , scale removal , shot peening etc
氧化锆陶瓷弹丸广泛应用于各种表面处理工序，如模具清洗，金属部件的表面整理，除锈，喷丸强化等。
Sem showed that comparing with typical brittle rupture of polypropylene , the impact surface of ppmn had acuter undulation and more abundant configuration which were typical characters of tough rupture
Sem照片显示，对比pp基体的典型脆性断面， ppmn冲击断面起伏较大，形态更加丰富，具有显著的韧性断裂特征。