The once-through steam generator with double-side heat transfer component was presented in this paper. And the component is composed of straight tube outside and helix tube inside.
介绍了一种双面换热的套管式直流蒸汽发生器，其元件由直管外管和螺旋内管组成。
In the ultraviolet water body sterilizer there is helix ultraviolet tube and ultrasonic transducer, improving the sterilization efficiency.
本发明在紫外线水体杀菌装置中设置了螺旋状的紫外线灯管和超声波换能器，大大提高了杀菌功效。
Experimental investigation on rising film formation process of binary solution on the fluted helix surface of a horizontal tube was carried out.
对水平刻槽管壁面二元溶液升膜形成过程进行了分析。
Experimental investigation on rising film formation process of binary solution on the fluted helix surface of a horizontal tube was carried out.
对水平刻槽管壁面二元溶液升膜形成过程进行了分析。
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