MAKE A MEME View Large Image Short arm helical torsion spring.svg ja 腕長さを 慮しない場合のねじりコイルばねの例 2016-12-10 own Yapparina other versions cc-zero Helical torsion springs
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Keywords: Short arm helical torsion spring.svg ja 腕長さを 慮しない場合のねじりコイルばねの例 2016-12-10 own Yapparina other versions cc-zero Helical torsion springs
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