2) трубопроводный
3) нефтепроводный
4) газопроводный ∙ blow through pipe-line ≈ продувать трубопровод continuous blow-down pipe-line ≈ трубопровод непрерывной продувки drinking water pipe-line ≈ питьевой водопровод sluice discharge pipe-line ≈ золоспускная линия - ballast pipe-line - blank off pipe-line - cargo pipe-line - clog pipe-line - crossover pipe-line - drainage pipe-line - exhaust pipe-line - feed pipe-line - fire pipe-line - high-pressure pipe-line - hot-air pipe-line - industrial pipe-line - intake pipe-line - make-up pipe-line - pad pipe-line - pipe-line milking - pipe-line saddle - stowing pipe-line - stripping pipe-line - suction pipe-line - supply pipe-line - transmission pipe-line - wash pipe-line
трубопровод нефтепровод