Direct gas - fired hot air blowers for use in greenhouses and supplementary non - domestic space heating 温室和非家庭空间辅助加热用直接燃气式热空气吹风机
3.
Direct gas - fired hot air blowers for use in greenhouses and supplementary non - domestic space heating 用于温室和补充非家用空间供暖的直接燃气热空气吹风机
4.
Direct gas - fired hot air blowers for use in greenhouses and supplementary non - domestic space heating ; german version en 12669 : 2000 温室和非家庭空间补充加热用直接燃气式热空气吹风机
5.
Process speed to dry ink is improved with the combination of an ir lamp （ near infrared ） and a hot air blower ( far infrared ) 由于采取ir (近红外线)和热风(远红外线)相结合的有力措施，提高油墨的干燥速度。
