Based on the heat conduction principle, the meaning of enterprise risk conduction is defined which includes enterprise internal conduction and external conduction.

But because of the temperature environment (radiation, heat conduction and convection) and the internal heat of the motor is not consistent, so we can not effectively protect the motor.

In concrete structure, due to coefficient of conduction for concrete is small, when external environment changes sharply, the change for internal temperature has distinct hysteresis.