생산 방식/제철소·생산 방식이번 버전 변경강철 도구steel_toolsin_game/common/building_types/production_tools.txt:173정의in_game/common/building_types/production_tools.txt:173174steel = 1.7778176category = mills_input177produced = tools178output = 4180debug_max_profit = mills_profit_margin (0.35)