行星齿轮陀螺（无需轴承) – 3D printable model from Makeronline

Makeronline

Education/Mathematics

行星齿轮陀螺（无需轴承)

by 大豆

423 Downloads

129 Likes

0 Makes

Category

Education/Mathematics

Source

Makeronline

Published

08.09.2024

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