{ "item_title" : "Water-Resisting Property and Key Technologies of Grouting Reconstruction of the Upper Ordovician Limestone in North China's Coalfields", "item_author" : [" Hao Wang "], "item_description" : "Introduction.- Paleosedimentary Environments And Karst Characteristics Of Ordovician Limestone In North China Coalfields.- Water-Bearing And Water-Resisting Properties Of Top Of Ordovician Limestone In North China Coalfields.- Utilizability Of Weathered And Filled Zone Of Top Of Ordovician Limestone In North China Coalfields.- Criterion For Utilization And Grouting Reconstruction Of Top Of Ordovician Limestone.- Technical System Of Grouting Reconstruction Of Top Of Ordovician Limestone.- Case Study Of Utilization And Grouting Reconstruction Of Top Of Ordovician Limestone.- Conclusions And Innovation Points.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/3/03/040/115/3030401154_b.jpg", "price_data" : { "retail_price" : "109.99", "online_price" : "109.99", "our_price" : "109.99", "club_price" : "109.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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