25 Kaum Ob Hlis, 2019
Tam sim no lub txhuas nthuav dav hlau mesh raws li qhov projection screen yog nyob rau hauv kev teeb tsa rau Beijing Lub caij ntuj no Olympic.Qhov no yog qhov thib ob qhov project siv rau qhov projection screen.Nws yog peb lub meej mom zoo uas tuaj yeem ua qee yam rau kev ua kis las thoob ntiaj teb.Cov khoom peb siv yog: aluminium nthuav hlau mesh.0.5 hli * 10mm * 6mm, PVDF.
Post lub sij hawm: Jan-15-2023