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In Iceland, a giant tunnel boring machine called 'Jaws' has chewed up nine miles of basalt to aid a hydroelectric project. See the rock cruncher at work as it burrows deep down.……详情
伟大工程巡礼：巨大挖掘机影评
游客2022-10-01
借来标记另外一部
游客2022-10-01
补记另一部片。
游客2022-10-01
Size DOES matter!
游客2022-10-01
国家地理为您揭秘——挖掘机到底哪家强
游客2022-10-01
现代牌挖掘机很好。
