drive blocks

例句：

1. 1. The engine needs to be replaced with a new one due to the damage to the drive blocks.
   由于驱动块损坏，发动机需要更换。
2. 2.The engineers had to remove the old drive blocks and install the new ones.
   工程师们不得不拆除旧的驱动块并安装新的。
3. 3.The car's performance was significantly improved after the replacement of the drive blocks.
   更换驱动块后，汽车的性能有了显著提升。