split friction cone

例句：

1. 1.The engineer used a split friction cone to remove the blockage.
   工程师使用一个分裂摩擦锥来清除阻塞。
2. 2. The machine was designed with a split friction cone to increase efficiency.
   这台机器被设计成带有分裂摩擦锥以提高效率。
3. 3. The process of splitting a friction cone is crucial for the operation of the machine.
   分裂摩擦锥的过程对于机器的运作至关重要。