Get to Know Pulleys 在線電子書 圖書標籤:
發表於2024-09-05
Get to Know Pulleys 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024
This book is suitable for ages 7 to 8 years. Pulleys help make up some of the most complicated machinery, from car engines to cranes. You can see how pulleys lift and move heavy things, how pulleys work together, and the different kinds of pulleys. Kids get to use their own pulleys in the fun with pulleys section.
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Get to Know Pulleys 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024