ball and socket base

常見例句

雙語(yǔ)例句

• Methods The ball was placed on the root cap coping and the socket on the base of overdentures, so that we could get the retention for making use of the friction between the ball and the socket.
  方法 將球形結(jié)搆安放於牙根之上，球帽安放在覆蓋義齒的基托中，利用球帽與球形結(jié)搆上球頭之間的摩擦産生固位力。
返回 ball and socket base