 |
| |||
| self-cleaning contact (с притиркой) | |||
| wiping contact (ssn) | |||
| |||
| self-cleaning contacts (ssn); wiping action (ssn); wiping contacts (ssn) | |||
| самоочищающийся контакт: 2 短语, 1 学科 |
| 电气工程 | 2 |
|
| |||
| self-cleaning contact (с притиркой) | |||
| wiping contact (ssn) | |||
| |||
| self-cleaning contacts (ssn); wiping action (ssn); wiping contacts (ssn) | |||
| самоочищающийся контакт: 2 短语, 1 学科 |
| 电气工程 | 2 |