致死低温带

zone of high fatal temperature zone of low temperature cabonization low temperature epitaxy low temperature alloy low temperature memory low temperature aging low temperature modification low temperature annealing low temperature coke low temperature compartment low indication zone fatal low temperature zone of low critical temperature zone of low temperature carbonization fatal temperature zone of constant temperature zone of effective temperature increasing zone of subsurface temperature constant zone of subsurface temperature zone of high fataled temperature variable zone of subsurface temperature