crown bar bracket

例句：

1. 1.The crown bar bracket is acrucial component of the crown restoration process.
   冠托是冠修复过程的关键组成部分。
2. 2. The crownbar bracket was designed to securelyhold the crown in place.
   冠托的设计是为了稳固地固定冠体。
3. 3. The crown barbracket was made from high-quality stainless steel, ensuring durability and longevity.
   冠托由高品质不锈钢制成，确保耐用性和持久性。