??????????????????????????????????????????????? ?????????????????? ?????????????????????? ????????????????????????????????????????????????????????????????? ????????????????????????????? ????????????????????????????????????????????????? ????????????????????????????????????????????????????? ???????????????????????????
ข้อดีของการชุบฮาร์ดอโนไดซ์
?????????????????????????? ???????????????????????????????????? (Hard anodizing) ??? ?????????????????????????????????????????????????????????????????? ???????? ??????????????????????? ?????? ?????? ????????? ????????????? ??????? ?????????????????????????? ???????? &n
ข้อดีของการชุบฮาร์ดอโนไดซ์
?????????????????????????? ???????????????????????????????????? (Hard anodizing) ??? ?????????????????????????????????????????????????????????????????? ???????? ??????????????????????? ?????? ?????? ????????? ????????????? ??????? ?????????????????????????? ???????? &n