radiator core section

例句：

1. 1. The car's engine islocated in the radiator core section.
   汽车的引擎位于散热器核心部分。
2. 2. Theengineer carefully dismantled theradiator core section to inspect it.
   工程师小心翼翼地拆解散热器核心部分以进行检查。
3. 3. Thetechnician replaced the faulty radiatorcore section with a new one.
   技术人员用一个新的来替换故障的散热器核心部分。