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  • High Index Glass Beads(2.2nd)

    High Index iav hlaws (2.2nd)

    2.2nd iav hlaws yog siv rau "Enclosed-Lens" hom kev rov ua dua tshiab, xws li daim ntawv qib engineering thiab qib super engineering qib uas ua rau muaj cov paib ntawm kev tsheb thiab kev nyab xeeb hauv tsheb.
    kev nugnthuav dav
Ntaus nkag mus nrhiav lossis ESC kom kaw