Ọdịmma dị elu nke na-arụ ọrụ onwe ya na-achịkwa valvụ - igwe anaghị agba nchara na-ebelata valvụ maka oke okpomọkụ uzuoku pipeline nitrogen mgbali na-eme ka njikwa nrụgide nrụgide.
Ọdịmma dị elu nke na-arụ ọrụ onwe ya na-achịkwa valvụ - igwe anaghị agba nchara na-ebelata valvụ maka oke okpomọkụ uzuoku pipeline nitrogen mgbali na-eme ka njikwa nrụgide nrụgide.