????????????????????????????????????????????????????????????????? ?????????????????????????????????????????????????????? ??????????????????????????????????????????????????????????????????????????????????????????????????????????? ????????????????????????????????????????????????????????????????????????????????????????
รู้จักเหล็กเเบน (Steel Flat Bar) เพื่อนเเท้งานก่อสร้าง
???????? (Steel Flat Bar) ????????????????????????????????????????????? ??????????????????????? ????? ??????????????????? ???????????? ???????????????????????? ??????????? ??????????? ?????????????????????????????? ???????????? ?????????????????????????????????? ?????? ???????????? ?????????????