Humidifying treatment in mat surface could shorten a half time when the temperature of core layer reached to water vaporizing temperature at most.
板坯表面增湿处理，能使其中心层到达水分汽化温度的时间最多缩短约一半。
Humidifying treatment in mat surface could shorten a half time when the temperature of core layer reached to water vaporizing temperature at most.
板坯表面增湿处理，能使其中心层到达水分汽化温度的时间最多缩短约一半。
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