The insufflate concrete with steel net was not breaked off for rock burst prevention, of which the safe and economic features were better than that of in.
网喷混凝土很少脱落，防止岩爆的效较好，比钢纤维喷混凝土较之安全、经济。
The insufflate concrete with steel net was not breaked off for rock burst prevention, of which the safe and economic features were better than that of in.
网喷混凝土很少脱落，防止岩爆的效较好，比钢纤维喷混凝土较之安全、经济。
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