共 36 条
[3]
Clark IE, 1999, IND DIAMOND REV, V59, P43
[6]
Development of PDC Drill Bits for MWD Directional Drilling in Underground Coal Mine
[J].
2011 XI'AN INTERNATIONAL CONFERENCE ON FINE EXPLORATION AND CONTROL OF WATER & GAS IN COAL MINES,
2011, 3
:440-445