closed core transformer

电气汇总 - 豆丁网 ... 闭锁装置 blocking device 闭铁心变压器 closed core transformer 壁灯 wall lamp ...

机械专业英语词汇... ... closed core 闭口铁心 closed core transformer 闭口铁心变压器 closed curve 闭合曲线，闭曲线 ...

core-英汉词典... ... closed core 闭合[口]铁心 closed core transformer [电]闭芯式变压器 closed core type 闭合铁心式 ...