Midabka taarikada sare iyo hoose ee daahan vacuum sax maaha, midabka labada daraf ee saxankuna waa ka duwan yahay.Intaa waxaa dheer, waa maxay midabka madow?Injineer ka socda Rich Special Materials Co., Ltd, Mr Mu Jiangang, ayaa sharaxaya sababaha.Madawga waxa sababa hawo haraaga...
Akhri wax dheeraad ah