radiator shell apron

例句：

1. 1. The engineer carefully removed the radiator shell apron to inspect the engine.
   工程师小心翼翼地拆下散热器外壳护罩来检查发动机。
2. 2.The car's radiator shell apron was damaged during the accident.
   汽车的散热器外壳护罩在事故中受损了。
3. 3. The technician replaced the radiator shell apron with a new one.
   技师用一个新的散热器外壳护罩替换了旧的。