 |
| Subject | English | Russian |
| gen. | A annulus | внутреннее кольцевое пространство (The "A" annulus is the void between the production tubing and the smallest casing string. (wiki) Alexander Demidov) |
|
| Subject | English | Russian |
| gen. | A annulus | внутреннее кольцевое пространство (The "A" annulus is the void between the production tubing and the smallest casing string. (wiki) Alexander Demidov) |