Buried bututu aiki a matsayin daya daga cikin muhimman wurare na mai da iskar gas watsa m, kasa injiniya, wanda aka haɗa upstream albarkatun da downstream masu amfani da wani mahada, saboda bututun dogon binne a cikin ƙasa, a kan lokaci, da waje halaye na ƙasa da kuma kasa. topography daidaita...
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