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下向充填法 [xià xiàng chōng tián fǎ]
downward filling method
- 矿山应用证明，该技术具有充填浓度高、充填成本低、充填体不需脱水等显著优点，特别适合于下向进路胶结充填采矿法中应用。
The application of the cemented filling technic in this mine has proven that it has such advantages as high concentration of slurry, low cost of filling and filling without dewatering, etc. , so that it is special fit to underhand drift cut-and-fill stoping.
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