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The Deepest Hole Ever Drilled
When Soviet scientists tried to drill the deepest hole ever, in 1989, they were hoping to get down to 15 kilometres. They managed 12 kilometres, and that record still stands. Lucy Williamson has been talking to one of the men involved.
Last on
Mon 24 May 2010
22:50GMT
麻豆官网首页入口 World Service Online
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- Mon 24 May 2010 04:50GMT麻豆官网首页入口 World Service Online
- Mon 24 May 2010 07:50GMT麻豆官网首页入口 World Service Online
- Mon 24 May 2010 10:50GMT麻豆官网首页入口 World Service Online
- Mon 24 May 2010 22:50GMT麻豆官网首页入口 World Service Online
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