A pointed tool, such as a spike or chisel, used for breaking rock or ore.
A pointed tool, such as a spike or chisel, used for breaking rock or ore.
钢楔一种如尖铁或凿子等有尖的，用于劈裂岩石或砂石的工具
A pointed tool, such as a spike or chisel, used for breaking rock or ore.
钢楔一种如尖铁或凿子等有尖的，用于劈裂岩石或砂石的工具