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360P
不可思议的“人工劈石法”，用锤子敲击钢钉，有趣的现象发生了
这是一种至今为止仍在使用的人工采石法——打楔劈裂法。
有趣的脑洞37/60
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![金溪县气象台更新大风黄色预警信号[III级/较重]](http://p6-sign.bdxiguaimg.com/tos-cn-p-0015/oYDz48a8hYvBIRfgzT0ApEItmiHeBJAABEAx7b~tplv-pk90l89vgd-fglass:864:486:90.jpeg?appId=32&channelId=0&customType=custom%2Fnone&from=101_middle_image&imageType=list&isImmersiveScene=0&is_stream=0&lk3s=9d3f5bff&logId=20240419202129C62117CB4DA444A3523A&requestFrom=101&x-expires=1745065290&x-signature=4yrv25FO6eWQkMjP%2BLClO6xvaZw%3D)
