???????????? ??????????????????????????????????????????????????????? ????????????????????? ???????????????????????????????????? ???????????????????????????????????? ?????? 3 ??? ?????????????????????????? ??????? ?????????? ???????????????????????????????????????????????????????????????? ????????????????????????????????????????????
ทำความรู้จัก 4 รูปเเบบของระบบเคลือบผิวหน้าด้วยวัสดุอีพ็อกซี่
????????????????? ?????????? ????????? ??????????????????????????????????????????-??? ??????????????????????????????????? ????????????????????????????????? ???????????????? ??? ???????????????????????????????????????????????????????? ?????????????????????????????????????????? ???? ???????? ????????????????????????????? ?????????????????? ??????