damper block

英 美
  • 闸板砖
  • block n.街区;木块;石块;大楼;一组;阻塞(物);障碍(物)v.阻塞
  • damper n.风阀;减音器;阻尼器;抑制
Noun:
  1. damper consisting of a small felted block that drops onto a piano string to stop its vibration