目前,有相当一部分生产和生活辅助用房,都采用石棉水泥瓦作为屋面防水材料。但是,由于这种瓦质脆,抗撞击的能力差,很容易出现钉眼、裂缝及渗漏等现象,影响房屋正常使用。怎样对这类屋面进行修补呢? At present, a considerable number of production and living auxiliary houses use asbestos cement tiles as roofing waterproofing materials. However, due to the fact that this type of tile is brittle and the ability to resist impact is poor, nails, cracks, and leakage are likely to occur, affecting the normal use of houses. How to repair this kind of roof?