Ключевые слова:
Underground|Steels|Pipe fittings|Pipe coatings|Stress analysis|Installation|Butt joints|Pressure testing|Welding|Pipelines|Cathodic protection|Design|Commissioning|Cleaning|Yield stress|Welded joints|Gas pipelines|Land|Corrosion protection|Pipes|Bend couplings|Pressure|Safety measures