| |||
| 环形铁芯 | |||
| 环形磁心 | |||
| 圆环柱心; 环形磁芯; 环形铁〔磁〕芯; 圆环柱芯 | |||
| 环形铁心 | |||
|
toroidal -core : 4 do fraz, 3 tematyki |
| Elektronika | 2 |
| Energoelektronika | 1 |
| Technika i technologia | 1 |
| |||
| 环形铁芯 | |||
| 环形磁心 | |||
| 圆环柱心; 环形磁芯; 环形铁〔磁〕芯; 圆环柱芯 | |||
| 环形铁心 | |||
|
toroidal -core : 4 do fraz, 3 tematyki |
| Elektronika | 2 |
| Energoelektronika | 1 |
| Technika i technologia | 1 |