纪录片索引
重置条件伟大工程巡礼:巨大挖掘机
主演:
更新时间:2020-07-09 10:37:05
剧情: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.…
状态:
主演:
更新时间:2020-07-09 10:37:05
剧情: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.…
状态: