摘要
在煤巷掘进中应用锚梁网支护 ,能够降低材料消耗 ,减轻劳动强度 ,提高掘进速度。
App. of supporting tech.by means of bolt-beam-net in drilling of coal roadway can decrease the consumption of materials, reduce the labor hardship and raise the drilling speed.
出处
《河北煤炭》
2000年第1期30-31,共2页
Hebei Coal
