双瓦闸 double block brake

闸瓦 [车辆] brake shoe ; brake block ; shoe

闸瓦托 [车辆] brake head ; brake shoe holder ; brake block holder

双闸瓦制动器 two shoe brake

钢背闸瓦 Steel Back Brake Shoe

十字头闸瓦 cross head shoe

伸缩闸瓦离合器 [机] block clutch

闸瓦式制动器 shoe brake

闸瓦总成 brake shoe assembly

闸瓦压力 [车辆] brake shoe pressure