Novachip超薄磨耗层
Novachip ultra-thin wear layer
超薄沥青磨耗层
Ultra thin friction course
超薄磨耗层
ultra-thin wearing surface
Superthin wearing course
Ultra-thin wearing course
Ultra-thin Wearing Layer
UTAC
ultrathin wear layer
超声磨耗指示器
ultrasonic wear indicator
超声磨耗指示器机组
ultrasonic wear indicator group