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To solve strata pressure control of shallow coal seam with thick sand and thin bedrock, in-situ observation was carried out in Baoshan mine 6101 fully mechanized coalface, which is the first coalface.
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摘要为解决厚砂层薄基岩浅埋煤层矿压控制问题,对宝山煤矿6101综采工作面(首采)进行现场实测。
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