crusher drive shaft bearing casing

例句：

1. 1.The crusher is designed to crush large rocksinto smaller pieces.
   破碎机被设计用来将大岩石破碎成小块。
2. 2. Theengineer carefully inspected thecrusher's drive shaft bearinghousing before starting the machine.
   工程师在启动机器之前仔细检查了破碎机的驱动轴轴承壳体。
3. 3. The maintenance crew replacedthe crusher's drive shaft bearing housingafter a week of operation.
   维护团队在运行一周后更换了破碎机的驱动轴轴承壳体。