As addition of ash is 65%~75%,the building materials of lower strength,for example masonry cement and building mortar,can be produced.
英
美
- 飞灰掺量65%25~75%25时,胶砂强度显示仍可生产一些低强度要求的建材产品,如砌筑水泥、建筑砂浆等。