 |
| |||
| electrode positive; reversed polarity; straight polarity | |||
| |||
| inverted polarity | |||
| |||
| reversed polarity | |||
|
polarite inverse : 4 短语, 4 学科 |
| 天文学 | 1 |
| 电力系统保护 | 1 |
| 电子产品 | 1 |
| 通讯 | 1 |
|
| |||
| electrode positive; reversed polarity; straight polarity | |||
| |||
| inverted polarity | |||
| |||
| reversed polarity | |||
|
polarite inverse : 4 短语, 4 学科 |
| 天文学 | 1 |
| 电力系统保护 | 1 |
| 电子产品 | 1 |
| 通讯 | 1 |