The elevator that runs from the ground floor to the fifth floor will be replaced and will ascend and descend in a new, fire-resistant shaft.
原从地面至五楼的电梯将被更新，同时风井将改为防火的。
Ash is overmuch, fire resistant layer below the furnace, and the total floor joists top and on the high side.
除灰过多，火层低于炉栅顶端，而总层又偏高。
Ash is overmuch, fire resistant layer below the furnace, and the total floor joists top and on the high side.
除灰过多，火层低于炉栅顶端，而总层又偏高。
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