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Member for
3 years 10 monthsAge: 10-12
Level: 四年级
Language: Chinese
(zh)
ID: 1570352
26/10/2021
Country code: MY
Country: Malaysia
Main content: 滑轮 (1996143)
四年级科学:滑轮(定滑轮)
Other contents: 滑轮
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