“deep stone”簡單造句，deep stone造句子

They stacked rocks with center holes (tube or doughnut shaped) from the surface to the deep stone layer as a guide for their drills (similar to today's guide tubes).

Following the mountains to the east, Shaobei, there are hundreds of suspended waters, eight or nine folds in the mountains, folded into a pool, deep stone, five Zhang, can not stop.