铁芯线圈 meaning in English

iron core coil
iron-core coil
plunger coil

Transformers and inductors for use in telecommunication and electronic equipment - main dimensions of coil formers - coil formers for laminated cores
电信和电子设备变压器和感应器.线圈架主要尺寸.叠层铁芯线圈架
Transformers and inductors for use in telecommunication and electronic equipment - main dimensions of coil formers - part 1 : coil formers for laminated cores
电信和电子设备用变压器和感应器.线圈架的主要尺寸.第1部分:叠层铁芯线圈架