[使用: 工作台]

Cracked Blue Short Bricks * 6

↓

Cracked Blue Short Bricks Stairs * 4

[使用: 切石机]

Cracked Blue Short Bricks * 1

↓

Cracked Blue Short Bricks Stairs * 1

[使用: 高炉]

获得经验：0.5 点

耗时：5 秒

Blue Short Bricks Stairs * 1

↓

Cracked Blue Short Bricks Stairs * 1