deep stone造句怎麼寫
- 造句
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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.
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).
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