求翻译：压火的操作方法：压火前应先停机，待料层温度稍有下降时，再先后断开鼓、引风机的开关，同时应把鼓风机进口盖紧严密是什么意思？

Pressure fire method of operation: pressure preceded the fire shut down until the material layer when the temperature decreased slightly, and then has broken drum, fan switch, while imports should be tightly closed tight blower

[object Object]

Presses the fire the operating procedure: Presses in front of the fire to be supposed first the engine off, treats when slightly the material level temperature has the drop, then successively separates the drum, the drawing fan switch, simultaneously should enter tightly the opercule the air blower

Action method for the Bank: Bank should stop before, material layer when temperatures down slightly, and then successively broken drum, fan switch, while imports cover tight tight blower

Action method for the Bank: Bank should stop before, material layer when temperatures down slightly, and then successively broken drum, fan switch, while imports cover tight tight blower