Tools and machines

Tools and machines
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คำแนะนำของผู้เขียน

Natural Science, Oxford, Unit 8

สำรวจแผ่นงาน

Simple and Complex machines

Physical Science - Science

Natural Science, Oxford, Unit 8

Complex machines

Physical Science - Science

Natural Science, Oxford, Unit 8

Complex machines

Physical Science - Science

Natural Science, Oxford, Unit

Les aimants

Physical Science - Science

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