Product Name: Planetary gear model Product material: 3D printing PLA Reference size: 14cm*12cm*4cm Shipping form: Loose parts, Assemblable Teach popular science, mechanical engineering and automation practical teaching
Product Name: Planetary gear model Product material: 3D printing PLA Reference size: 14cm*12cm*4cm Shipping form: Loose parts, Assemblable Teach popular science, mechanical engineering and automation practical teaching
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