Evaluation index
Drilling work (105 m)
Construction time (103 days)
Total investment (RMB 106)
Control cost (Yuan/t)
Prevention of secondary disaster (%)
| Evaluation index |
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| Drilling work (105 m) |
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| Construction time (103 days) |
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| Total investment (RMB 106) |
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| Control cost (Yuan/t) |
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| Prevention of secondary disaster (%) |
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