熔化 phát âm
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- 熔化 là gì:[rónghuà] nóng chảy; tan chảy。固体加热到一定的程度变成液体,例如铁加热至1,530oC以上就熔化成铁水。大多数物质熔化后,体积都膨胀。也叫熔融。