متوسط تكلفة إقامة خط تكسير الحجارة 28697
متوسط تكلفة إقامة خط تكسير الحجارة 28697 خامات مصر التعدينيةدكتور / حسن بخيت Over view Of The oil Shale in EgyptOil Shale is a type of Shale which have a high amount of hydro carbon material .The main uses of oil Shale is production the thermal energy and in some cases to obtain some compound such as phenol groups which are not easy to ...