жёсткий центратор | |
dril. | NB stabilizer |
O&G | NB Stab. |
обсадная колонна | |
bridg.constr. | casing string |
oil | boring casing; casing pipe; drive pipe; string of casing; capital string |
| |||
NB stabilizer (Ulkina) | |||
NB Stab. (Bauirjan) | |||
positive centralizer |
жёсткий центратор: 6 phrases in 3 subjects |
Geophysics | 2 |
Oil / petroleum | 1 |
Sakhalin | 3 |