set of spare parts

例句：

1. 1. The mechanic replaced the engine with a set of new spare parts.
   机械师用一套新的备用零件替换了发动机。
2. 2. The car was fixed by replacing the set of worn-out parts.
   汽车通过更换磨损的部件得到了修复。
3. 3.The technician had to replace the entire set of wiring harnesses.
   技术人员不得不更换整套电线束。