???????????????????????????????????????????????????????????????????????????????????????? ??????????????????????????????? ????????????????????????????????? ?????????????????? ????????????????????????? ????????????????????????????????????????????????????????? ???????????????????????????????? 2014 ???????????????????????????????????????????
หม้อไอน้ำแบบท่อไฟ หม้อไอน้ำยอดนิยมที่มีการใช้งานอย่างเเพร่หลาย
?????????????????? (Fire tube boiler) ?????????????????????????????????????????????????????????? ????????????????????????????????????????????????? ??????????????????????? ?????????????????????????????????????????????????? ?????????????????????????????????????????????????????????????????????????? ????????????????????????????????????????????????