PCB系列锤式破碎机可供化工、泥、材、电等工业部门做中碎或细碎各种中等硬度以下的脆性矿山、石和煤、灰石、渣等。
PCB series crusher is used for breaking medium degree of hardness materials, such as brittle ore, rock, coal limestone, slag, etc. in chemicals, cement, building materials and electricity industries.
在有冲击地压危险倾向的采区，采用煤层注水措施，改善因瓦斯抽放造成的煤体脆性度增加的状况，可以降低冲击地压危险。
The means of the water injection in coal seam with rockburst tendentiousness can improve the state of coal brittleness increase due to gas-pumping, and rockburst danger may be reduced.
研究结果表明：浆液的存在延续了煤样的变形，减少了煤样试件的脆性破坏；
The study has shown that: the coal shows much less brittle failure because the grout in it can continue the deformation of the coal sample;
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