ອື່ນໆ

Zn Smelter Waste Heat Boiler ໂຄງການສ້ອມແປງ

Zn-smelter-Waste-Heat-Boiler-Renovation-Project
Zn-smelter-Waste-Heat-Boiler-Renovation-Project-1
Zn-smelter-Waste-Heat-Boiler-Renovation-Project-2

ເວລາປະກາດ: 23-04-2023