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Flat shape heat transfer tube, a method of manufacturing a cross fin tube type heat exchanger having the same, cross fin tube type heat exchanger produced by the method
Flat shape heat transfer tube, a method of manufacturing a cross fin tube type heat exchanger having the same, cross fin tube type heat exchanger produced by the method
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机译：平板状传热管，具有该传热管的横翅片管型热交换器的制造方法，通过该方法制造的横翅片管型热交换器
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摘要
flat shape heat transfer tube 1 according to the present invention, a plurality of holes 2 penetrating in the axial direction and parallel direction are formed, a flat shape heat transfer tube 1 having a bent portion, is welded to the flat shape heat transfer tube 1 a plurality of plate fins, a flat shape heat transfer tube 1 to be used in the cross fin tube type heat exchanger provided with a, for flat shape heat transfer tube 1, the cross section of the portion corresponding to the bent portions of the front folding , of the portion bent at a small curvature at the time of bending, flat interval t 1 of the shape heat transfer tube 1 of the outer surface and the hole 2 of the inner surface 1 is, of the part to bend in the large curvature at the time of bending, flat shape interval t 1 of the outer surface and the hole 2 of the inner surface heat transfer tube 1 2 as compared to, is larger
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