选择中性的硅酸铝纤维作保温材料，设置防水隔离层较为合理。
Therefore selecting neutral silicic aluminium fiber as thermal insulation material and setting watertight insulation are comparatively reasonable .
选用硅酸铝耐火纤维作保温材料；
Select aluminum silicate fire-retardant fiber as materials for heat preservation ;
硅酸铝保温材料