 |
| |||
| перепутывание полюсов | |||
|
connection with a wrong polarity : 3 phrases in 2 subjects |
| Construction | 2 |
| Non-destructive testing | 1 |
|
| |||
| перепутывание полюсов | |||
|
connection with a wrong polarity : 3 phrases in 2 subjects |
| Construction | 2 |
| Non-destructive testing | 1 |