heat insulation heat-insulation layer heat interchange heat interchanger heat leakage heat-liberating process heat loss heat-loss recovery heat of condensation heat of crystallisation heat of evaporation heat of fission heat of fusion heat of hardening heat of hydration heat of setting heat of solidification heat of transition heat of vaporization heat output |
heat insulation топлинна термична изолация Търсената дума е намерена |