????? ?? ?????????????????????????????????????????????????? ??????????????????????????????????????????????????????????????? ????????????????????????????????????????????????????????????????? ????????????????? ??????????????????????????????????????????? ????? ??????????????? (Bearing Housing) ??????????????????????????? ???????? ??????????????????
รู้หรือไม่ เครนทาวเวอร์แขนกระดก เหมาะใช้งานในพื้นที่ลักษณะใด?
???????????? (Tower Crane) ??????????????????????????????????????????????? ??????????????????????????????????????????????????????????????????? ????????????????????????????????????? ?????????????? ??????????????????????????????????????????????? ???????????????????????????????????????????????????????????? ???????????????????? ??? ????????????????????