생산 방식·생산 방식갑문 운하 유지비pound_lock_canal_infrastructure_maintenancein_game/common/production_methods/unsorted_building_inputs.txt:570정의in_game/common/production_methods/unsorted_building_inputs.txt:570571lumber = 0.1572stone = 0.05573tools = 0.1575category = building_maintenance