Blister tshuab daim ntawv thov teb tsim cov ntawv yas thawv PVC coding
Dec 05, 2022
Tso lus
"No. 3" stands rau polyvinyl chloride (PVC), uas tsis tshua muaj siv nyob rau hauv ntim khoom noj tam sim no, thiab nws yog qhov zoo tshaj kom tsis txhob yuav nws.
