?????????STEAM BOILER ????????? (Steam Boiler) ???????????????????????????????????????????????????????????????????????? ??????????????????????? ??????????????????????????????????????? ???????????????????????????????????????????????????????????????????????????????????????????? ?????????????????????????????????
หม้อไอน้ำ (STEAM BOILER)
?????????STEAM BOILER ????????? (Steam Boiler) ???????????????????????????????????????????????????????????????????????? ??????????????????????? ??????????????????????????????????????? ???????????????????????????????????????????????????????????????????????????????????????????? ?????????????????????????????????
หม้อไอน้ำ (STEAM BOILER)
?????????STEAM BOILER ????????? (Steam Boiler) ???????????????????????????????????????????????????????????????????????? ??????????????????????? ??????????????????????????????????????? ???????????????????????????????????????????????????????????????????????????????????????????? ?????????????????????????????????
แผ่นกรองอากาศต้องมีกี่ชั้นกันนะ ถึงจะสามารถกรองฝุ่น PM 2.5 ได้
?????????????????????????????? ???? ????????????????????????????????????? ????????????????????? PM2.5 ????????????????????? ????????????????????????????????????????????????????????????????? ??????????????????????????????????????????????????????????????????????????????????? ????????????? ???????????????????????????????????????????
แผ่นกรองอากาศต้องมีกี่ชั้นกันนะ ถึงจะสามารถกรองฝุ่น PM 2.5 ได้
?????????????????????????????? ???? ????????????????????????????????????? ????????????????????? PM2.5 ????????????????????? ????????????????????????????????????????????????????????????????? ??????????????????????????????????????????????????????????????????????????????????? ????????????? ???????????????????????????????????????????