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backfilling
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T/CECS 10091-2020 尾矿充填固化剂 The solidification agent of tailing backfilling
2023-12-03
Quality evaluation of layerlike backfilling and flow pattern of backfill slurry in stope
2020-11-03
Paste-like self-flowing transportation backfilling technology based on coal gangue
2020-06-12
Vertical transportation system of solid material for backfilling coal mining technology
2020-06-12
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