 |
knee | luminous flux
| luminous flux | |
| light. | флукс светлости; светлосни флукс |
| knee: 4 phrases in 2 subjects |
| Transformers | 1 |
| Vacuum tubes | 3 |
|
| luminous flux | |
| light. | флукс светлости; светлосни флукс |
| knee: 4 phrases in 2 subjects |
| Transformers | 1 |
| Vacuum tubes | 3 |