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 49.If you have any t_,you can call me  for help at anytime.

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3-D printing technology may not be a new thing in some foreign countries. But in May this year, at Shenzhen Convention and Exhibition Center (;深圳会展中心) ,many visitors were attracted by a 3-D printer.

The machine looks similar to an ordinary printer and can print a" statue" in about 90 minutes after scanning any?thing ,including a person.

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