电磁线圈可动铁心安装表面
solenoid plunger mounting surface
X射线表面治疗设备
superficial X-ray treatment unit
导线表面电场
conductors’ surface electric field
导线表面电场强度
conductor surface electric gradient
Electric Field Intensity on Conductor Surface
导线表面状态
surface status of conductor
电线表面电位梯度
conductor surface gradients