锅炉采用三盘管结构，烟气三回程，设计紧凑，节能空间。
Triple coil structure is adopted for the boiler with three-pass smoke and flue, compact design and energy-saving space.
锅炉采用三盘管结构，烟气三回程，设计紧凑，节能空间，增加空气预热器时热效率最高可达92%以上。
Triple coil structure is adopted for the boiler with three-pass smoke and flue, compact design and energy-saving space. The air pre-heater is added to enhance the heating efficiency up to 92% or more.
用于石化、锅炉、制冷等行业的管板，折流板和法兰盘钻。也可用于建筑、桥梁、铁塔等钢结构中的联接板钻孔。
Ideal drilling machine for tube-plates, baffle plates and flange, in petrochemical, boiler and air-condition industries, also for joint plates in building, bridge, iron tower, etc.
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