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1.59 Polycarbonate HMC Optical lo ntsiab muag
Cov lo ntsiab muag dav dav yog cov khoom siv thermal, uas yog, cov ntaub ntawv raw yog kua, thiab cov khoom lo ntsiab muag yog tsim tom qab cua sov.PC lo ntsiab muag, tseem hu ua "qhov chaw lo ntsiab muag", "cosmic lo ntsiab muag", tshuaj hu ua polycarbonate, yog cov khoom siv thermoplastic.
