预烧过程中升温中断或在较低温度下反复预烧不利于正常相变；

The breaks in heating and pre-sintering repeatedly at low temperature are unfavourable to phase transformation.

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预烧过程中升温中断或在较低温度下反复预烧不利于正常相变；

The breaks in heating and pre-sintering repeatedly at low temperature are unfavourable to phase transformation.

youdao