rear propeller shaft

例句：

1. 1. The aircraft's rear propeller shaft is damaged beyond repair.
   这架飞机的后部螺旋桨轴损坏得无法修复。
2. 2.The pilot had to make a quick decision about which part of the propeller shaft to replace.
   飞行员不得不迅速决定要更换螺旋桨轴的哪个部分。
3. 3.The maintenance crew was tasked with replacing the damaged rear propeller shaft.
   维修团队被指派去更换受损的后部螺旋桨轴。