hard-wearing materials耐磨材料
strong hard-wearing坚韧的
hard-wearing grinding ball耐磨磨球
a hard-wearing material经久耐用的材料
ADJ（形容词） Something that is hard-wearing is strong and well made so that it lasts for a long time and stays in good condition even though it is used a lot. 耐用的; 耐磨的; 耐穿的 [英国英语]