In slicing seams, bolt supporting was utilized under false roof and obtained good result.

介绍在分层开采煤层中, 在假顶条件下实现锚杆支护.

互联网

The paper researches on bolt supporting of pit considering construction process, through large - scale indoor stimulation test.

本文通过大型室内模拟试验,研究考虑施工过程的基坑锚杆支护.

互联网