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Pressure bump mostly occurring in developing workings is a hazard posing severe menace to mining operations.
冲击地压是一种严重威胁矿井生产的灾害,大部分发生在采准巷道.
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The first choice for precaution of pressure bump is water injection into coal seams.
煤层注水是世界上煤矿矿井防治冲击地压的首选措施.
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