hat
Extension kwiv sòti nan nen rive jouk nan vant la fè kwiv nan vant kontakte dra aliminyòm lan ak akselere turbulences pèdi, detwi la frontière wèbsayt], e gen pou chalè koefisyan transfè.
eng
The copper tube expander makes copper tube contact the aluminum sheet and accelerate the turbulent flow, destroy the boundary layer, and enhance the heat transfer coefficient.