机械

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Age: 10-12
Level: 4-6
Language: Chinese (zh)
ID: 1441982
25/09/2021
Country code: MY
Country: Malaysia
School subject: Science (1073798)
Main content: 机械 (2071591)

Choose the correct answer.

Other contents: 简单机械与复杂机械

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机械
机械
机械
机械
机械

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