研究
Coal Output II
CategoryEconomy
Queuemain
Tier2
Research levels
| Level | Effects | Prerequisites | Costs | Power | Time |
|---|---|---|---|---|---|
| 1 | Coal Output 5.5% (5.5) | building: research-center 13；research: iron-mining-i 1 | Coal × 27000、Iron × 6700、Meat × 130000、Steel × 1600、Wood × 130000 | 1430 | 25m |
| 2 | Coal Output 5.5% (11) | building: research-center 14 | Coal × 37000、Iron × 9400、Meat × 180000、Steel × 2200、Wood × 180000 | 1430 | 37m 30s |
| 3 | Coal Output 7% (18) | building: research-center 15 | Coal × 81000、Iron × 20000、Meat × 400000、Steel × 4800、Wood × 400000 | 1820 | 1h 40m |