| |||
| double columns | |||
| twin columns; twin column | |||
| |||
| compound column | |||
dual string (НКТ; (искать dual string)  oilforum.ru irksibrus1) | |||
|
сдвоенные колонны : 1 phrase in 1 subject |
| Oil and gas technology | 1 |
| |||
| double columns | |||
| twin columns; twin column | |||
| |||
| compound column | |||
| dual string (НКТ; (искать dual string) oilforum.ru irksibrus1) | |||
|
сдвоенные колонны : 1 phrase in 1 subject |
| Oil and gas technology | 1 |