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09
2022-12
09
2022-12
Five major disasters and disaster avoidance principles in underground coal mines
Five major disasters and disaster avoidance principles in underground coal mines
2022-12-09
09
2022-12
Common Sense of Coal Mine Safety -- Mine Flood
Common Sense of Coal Mine Safety -- Mine Flood
2022-12-09
09
2022-12
Common Sense of Coal Mine Safety -- Mine Fire
Common Sense of Coal Mine Safety -- Mine Fire
2022-12-09
09
2022-12
"Coal Mine Safety Regulations"-Relevant Provisions on Gas Concentration in Coal Mining Face
"Coal Mine Safety Regulations"-Relevant Provisions on Gas Concentration in Coal Mining Face
2022-12-09
04
2022-10
Today's Double Ninth Festival | Every year in Double Ninth Festival, every year is healthy.
Today's Double Ninth Festival | Every year in Double Ninth Festival, every year is healthy.
2022-10-04
22
2022-09
Coal mine mechanical hole-making equipment-beneficial mining technology.
In view of the actual situation that the pressure relief control of roadway pressure relief control, gas drainage control and other projects are difficult and the gas drainage control efficiency is low, Yikuang Science and Technology has newly developed and produced mechanical hole making equipment for coal mines. The mechanical hole-making equipment for coal mine is our company's patented product, with patent numbers of CN 202010922779.8 and CN 202010890623.6. The equipment adopts the control principle of hydraulic mechanical ejector rod, and is widely used in hole-making and hole-making and pressure-relief of rock strata in coal mine roadway, hole-making and support of soft rock in coal mine, rock burst control and top-cutting and pressure-relief, and hole-making at the bottom of gas prevention and control holes in soft coal seams with high gas. This equipment
2022-09-22
09
2022-09
Yi Kuang Technology has a kind of happiness called company welfare
Yi Kuang Technology has a kind of happiness called company welfare
2022-09-09
31
2022-08
