antifriction block

例句：

1. 1.The antifriction block helps to reduce the wear and tear on the machine.
   这个抗摩擦块有助于减少机器上的磨损。
2. 2.The engineer designed a special antifriction block for the heavy machinery.
   工程师为重型机械设计了一个特殊的抗摩擦块。
3. 3. The antifriction block is essential for maintaining the smooth operation of the machine.
   抗摩擦块对于保持机器的平稳运行至关重要。