As long as the heat emitted by the battery does not melt the PCM completely, the system is stable.
只要电池散发的热能不熔化掉pcm，系统将处在稳定状态。
There are 4grades in the stabilization rating system, not stable, basically stabilized, well-stabilized and completely stabilized.
对于稳定化程度分级体系采用未稳定， 基本稳定， 较好稳定和稳定四级。
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