rotor bearing cock

例句：

1. 1.He used a rotor bearing cockto remove the old bearings.
   他用转子轴承起子来更换旧的轴承。
2. 2. Theengineer needed to tighten the bolts witha rotor bearing cock.
   工程师需要用转子轴承起子来拧紧螺栓。
3. 3.The technician was instructed to use a rotor bearing cock to check the oillevel in the bearings.
   技术人员被指示使用转子轴承起子来检查轴承中的油位。