activated shoe type brake
air activated shoe type brake
brake shoe
刹车
闸瓦
制动靴
制动闸瓦
制动蹄
鞋形制动器
剎车块
制动瓦
制动蹄片
刹车块
煞车块
制动衬块
凸轮煞车
剎车来令片
轫块
轫片
磨耗
制动片
塞块
钻石压头
制动块
mechanical shoe type seals
120 Type Brake Control Valve Test Rack
brake pads on disc brake
fish bone type explosion type
herpes simplex type I and type II
influenza viruses type A and type B