Crafty Inventions

書籍系列

由 Gerry Bailey
最新: 2005
Underwater Machines (Crafty Inventions

Underwater Machines (Crafty Inventions

由 Gerry Bailey, Steve Boulter, Jan Smith
Jan 1, 2005
英語
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Underwater Machines (Crafty Inventions) by Gerry Bailey

Underwater Machines (Crafty Inventions) by Gerry Bailey

由 Steve Boulter
英語
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Working Things Out: Pulleys, turbines machines -- the science the models and YOU!

Working Things Out: Pulleys, turbines machines -- the science the models and YOU!

由 Gerry Bailey
Jan 1, 2005
英語
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