方法：改造电热暖手炉，用不同动作温度的温控器多次测试。
Methods an electric hand warmer was transformed and tests were made many times with different movement temperature of thermostat.
而皇室成员还会配备手炉脚炉来暖手暖脚，可随身携带，灵敏巧致。
The members of the royal family will be equipped with the foot to hand warmer warming hands feet, can carry, how sensitive.
而皇室成员还会配备手炉脚炉来暖手暖脚，可随身携带，灵敏巧致。
The members of the royal family will be equipped with the foot to hand warmer warming hands feet, can carry, how sensitive.
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