LIU Xiao-yan, LI Suo-zhi, TANG Sheng-li, ZHANG Bin. The types and proper usage of roof bolt diamond bits[J]. COAL GEOLOGY & EXPLORATION, 2002, 30(3): 60-62.
Citation: LIU Xiao-yan, LI Suo-zhi, TANG Sheng-li, ZHANG Bin. The types and proper usage of roof bolt diamond bits[J]. COAL GEOLOGY & EXPLORATION, 2002, 30(3): 60-62.

The types and proper usage of roof bolt diamond bits

  • There are many kinds of strata in roof bolt hole.Proper using and choosing are available for increasing comprehensive benefit.In this paper,the authors introduce the kinds and characteristics of roof bolt diamond bits,and using and choosing methods.They put forward points for attention of using roof bolt diamond bits.
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