A novel heater with a metal pipe was designed which is used encircling the discharge tube of a CuBr laser, resulting in homogeneous distribution of axial temperature.
设计了一种新颖的金属筒式加热器，使气体激光放电管轴向温度分布均匀。
It USES steam or electric heater as heating resource and USES axial fan, heat exchanger to heat air in convective way.
它是利用蒸汽或电为热源，用轴流风机与热交换器以对流的方式加热空气。
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