radiator case

例句：

1. 1. The car's radiator case was damaged in the accident.
   汽车的散热器外壳在事故中受损。
2. 2.The new radiator case is more efficient than the old one.
   新的散热器外壳比旧的更高效。
3. 3.The engineer replaced the radiator case with a new one.
   工程师用一个新的散热器外壳替换了原来的。