???????????????????????????????????????????????????????????? ???? ??????????? ?????????????????????????? ??????????? ????????? ??????????????????????????? ???????????????????????????????? ? ????????????????????????????????????????? ???????????????????????????????????????????? ? ????? ??????????????????????????????????????????????????? ?????????????

???????????????? ??????????????????????????????????????? ?????????????????????????????????????????????????? ??????????????? ?????????????????????? ?????????????? ????????????????????????? ???????????????? ???????????????????? ????????????????????????????????????????????????????????????????????????? ????????????????? ?????????????????????????? ?????

เลือกซื้อสว่านไร้สายต้องเลือกอย่างไรและมีวิธีดูแลรักษาอย�