main bearing reamer

例句：

1. 1. The main bearingreamer was used to remove theold bearing from the machine.
   主轴承铣刀被用来从机器中取出旧的轴承。
2. 2. Main bearing reamers areessential for maintaining the proper functioning ofmachinery.
   主轴承铣刀对于保持机械的正常运作至关重要。
3. 3. The engineer carefully selected theright main bearing reamer for thejob.
   工程师仔细选择了适合这项工作的正确主轴承铣刀。