Ewuru pipeline na-eme dị ka otu n'ime ihe ndị dị mkpa ụlọ ọrụ nke mmanụ na gas na-ebu nnyefe, ala engineering, nke ejikọrọ upstream ego na downstream ọrụ nke a njikọ, n'ihi na pipeline ogologo liri n'ime ala, ka oge na-aga, n'èzí n'ala e ji mara na ala. topography edozi...
GỤKWUO