radiator bumper rod

例句：

1. 1. The car's radiator needs to be replacedsoon.
   这辆车的散热器需要尽快更换。
2. 2.The mechanic fixed the radiator bumper rod and made sure it was workingproperly.
   技师修理了散热器支架杆并确保它正常工作。
3. 3. The old car had adamaged radiator bumper rod,which caused the engine to overheat.
   旧车有一个损坏的散热器支架杆，导致发动机过热。