摘要
介绍了大倾角无胶结假顶软底软煤综采面常见事故类型,并进行了较详细分析,提出了相应的防治措施。
According to different layouts of mining faces the reliability of coal conveying system is studid.The calculat- ing formulas of reliability of coal conveying system are giv- en.Three ways of coal conveying systems are analysed.
出处
《煤矿开采》
1997年第4期21-23,共3页
Coal Mining Technology