青云翻译

In order to ensure that the coal sample into the furnace so that the furnace temperature within three minutes recovery (900 ± 10) ° C, into the coal sample before the furnace heated to a temperature (called the temperature of the preheating temperature ).

To ensure the coal into the furnace back, to bring the temperature back to within three minutes (900 ± 10) ° c, you must put in before the coal furnace heated to a certain temperature (called this temperature preheating temperature).

In order to after guarantee the coal sample puts in the stove, can make the furnace temperature in three minutes to restore (900±10)℃, then must in puts in front of the coal sample to heat up the furnace temperature to certain temperature (calls this temperature preheating temperature).

In order to ensure that coal sample is placed in the oven, within 3 minutes in the oven temperature to 900 ( ± 10) °C, you must put it in the same way as coal oven temperature before heating to a certain temperature (called the temperature is warm).

To ensure the coal into the furnace back, to bring the temperature back to within three minutes (900 ± 10) ° c, you must put in before the coal furnace heated to a certain temperature (called this temperature preheating temperature).