研究
Coal Output V
CategoryEconomy
Queuemain
Tier5
Research levels
| Level | Effects | Prerequisites | Costs | Power | Time |
|---|---|---|---|---|---|
| 1 | Coal Output 8% (8) | building: research-center 28；research: iron-mining-iv 1 | Coal × 440000、Iron × 110000、Meat × 2200000、Steel × 64000、Wood × 2200000 | 2080 | 2d 21h 26m 40s |
| 2 | Coal Output 8% (16) | building: research-center 29 | Coal × 610000、Iron × 150000、Meat × 3000000、Steel × 89000、Wood × 3000000 | 2080 | 4d 8h 10m |
| 3 | Coal Output 10% (26) | building: research-center 30 | Coal × 1300000、Iron × 330000、Meat × 6600000、Steel × 190000、Wood × 6600000 | 2600 | 11d 13h 46m 40s |