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Science behind Train wheels

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93,557 次观看 • 1 年前 •via X (Twitter)

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3 条评论

Ken Adams 的头像
Ken Adams1 年前

@scoony10 finally an explanation about your job

Innovate 的头像
Innovate1 年前

Train wheels are marvels of engineering!

Solar Heavy 的头像
Solar Heavy1 年前

space meets sound

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