求翻译：压火时间的长短与炉体结构，风道的密封性等有关。当压火时间长，料层温度又低于700℃，则应中途启动一次，使料层温度升高后，再继续压火是什么意思？

The length of time pressure and furnace fire structure, duct sealing and so on. When the pressure of the fire for a long time, the material layer temperature is lower than 700 ℃, it should start a way to make the material layer temperature, and then continue to press the fire

The length of time pressure fires and stoves, windpath seal structure. When pressure over a long period, and fire personal data layer temperature below 700 °C halfway startup time, it should be, so that personal data layer rise in temperature, and then continue to put pressure on fire

Presses the fire time the length and the furnace body structure, the air flue leak-proof and so on concerns.When presses the fire time to be long, expects the level temperature to be lower than 700℃, then should the midway start one time, after causes the material level temperature increment, then c

Length of pressure fire and furnace body structure, duct sealing, and so on. When Bank long bed temperature has less than 700 ¡æ, Midway is initiated, after temperatures causes the material layer before proceeding with Bank

Length of pressure fire and furnace body structure, duct sealing, and so on. When the Bank a long time, material layer temperature less than 700 ° c, you should start in the Middle at a time, after the bed temperature increases, and then proceed to Bank