为了快速、有效地消除煤巷掘进工作面的突出危险性，结合六矿煤层赋存特点，采取水力挤出消突措施。
In order to removing tunneling working surface outburst quickly and effectively, combine the Six Mineral coal beds characteristics, hydraulic pressing are taken to remove outburst measure.
许多国家都对水力破裂法的安全性表示担心，这种技术是把高压液体注入页岩致岩石破裂从而挤出其中存储的天然气。
Concerns have been raised in many countries about the safety of fracking, a technique in which high-pressure fluids are pumped into shale to fracture the rock and force out natural gas.
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