PLA yog dab tsi? PLA yog luv rau Polylactic acid lossis polylactide. Nws yog ib hom khoom siv biodegradable tshiab, uas yog los ntawm cov khoom siv hmoov txhuv nplej siab rov ua dua tshiab, xws li pob kws, cassava thiab lwm yam qoob loo. Nws yog fermented thiab rho tawm los ntawm cov kab mob me me kom tau txais lactic acid, thiab t...