Mkpokọta slurry na-ejedebe akụkụ akụkụ ahụ

Hydraulic slurry pọmpụ na-ejedebe akụkụ akụkụ

 

Mmepe ụlọ ọrụ Petrolem na-egwuri egwu nke United States America gwuru na-eme ka ihe ịga nke ọma na-eme ihe nkiri na-aga n'ihu na 1989. Petrolem Dringlọ ọrụ na-egwuri egwu na-adịbeghị anya, bụ mmepụta nke Petrolem Party ụlọ ọrụ.


Oge post: Jul-13-2021