求翻译：一般放顶煤开采工作面的推进速度较慢，保证工作面持续稳定地不断向前推进，是避免采空区遗煤增加氧化时间，减少自燃发生十分重要的方面。是什么意思？

Generally put the slower advance speed of the top coal caving face, to ensure that face continued stability to continue to move forward, to avoid the goaf of residual coal increased oxidation time, to reduce the very important aspect of spontaneous combustion occurred.

In general the top surface of the coal mining speed is slow, sustainable and stable work surface that are moving forward, it is avoided and left empty time, reduces carbon dioxide increase occurred from 10 is important.

Puts generally goes against the coal to mine the working surface the advancement speed to be slow, guaranteed the working surface continues unceasingly to prompt forward stably, is avoids picking the depletion region to lose the coal increase oxidation time, reduces the spontaneous combustion to hav

On top coal caving mining face in a slow advance, guarantee the continued stability of working face to continue moving forward, is to avoid residual coal in goaf increases oxidation, reduce the occurrence of spontaneous combustion is very important.

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