| |||
| пространственный каркас; пространственная рама | |||
|
three-dimensional frame : 4 phrases in 3 subjects |
| Construction | 2 |
| Drilling | 1 |
| Oil / petroleum | 1 |
| |||
| пространственный каркас; пространственная рама | |||
|
three-dimensional frame : 4 phrases in 3 subjects |
| Construction | 2 |
| Drilling | 1 |
| Oil / petroleum | 1 |