Yuav ua li cas xaiv cov plaub muag sib txawv uas haum rau koj tus kheej tshaj plaws?
Apr 29, 2022
- Cov khoom siv PDT hauv tsev: zoo ntsug, zoo curl, tab sis me ntsis nyuaj, hlau txoj kab uas hla erro plus - 1, qhov no suits tshiab lash pib.
- Cov khoom siv PBT ntshuam: cov khoom siv softest, hlau txoj kab uas hla erro plus -0.7, tab sis vertial tsis ruaj khov, qhov no yog feem ntau siv nyob rau hauv kev ua lag luam tam sim no, tag nrho cov zoo yog zoo.
- Imported PET, hlau txoj kab uas hla erro tsuas yog ntxiv rau -0.2, thickness yog heev tseeb, tab sis tsis zoo curl, thiab xim tsis dub, li mos heev, cov curls tsis ruaj khov, tsis yooj yim rau tuav cov duab.
