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EN 13306-2017 Maintenance. Maintenance terminology
2023-07-12
GB/T 15030-2021劍麻鋼絲繩芯Sisal main cores in steel wire ropes
2022-03-14
Impact of coal gangue on the level of main trace elements in the shallow groundwater of a mine recla
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Pore structure characteristics of the relative water-resisting layer on the top of the Ordovician in
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Damage and deterioration mechanism and curing technique of concrete structure in main coal cleaning
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Fracture mechanics model of fully mechanized top coal caving of shallow coal seams and its applicati
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生物質(zhì)能源甜高粱的研究進(jìn)展
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