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обсадная трубаstresses
el. 井管
tech. 插入管; 套管; 铁壳; 钢套管; 井壁管 (管端加厚的管子); 钻管; 井壁管管端 加厚的管子; 插管; 插人管
обсадные трубы
tech. 井管壁
обсадная труба: 138 phrases in 11 subjects
Drilling49
Electronics4
General27
Geology1
Oil / petroleum28
Oil and gas4
Oil and gas technology3
Oil processing plants8
Oilfields1
Road works1
Technology12