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基準曲柄腿機構/圓形的比較
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來自華夏公益教科書，用於開放世界的開放書籍
<
基準曲柄腿機構比較
Laufmechanismus mit Kreis Lokus
Laufmechanismus mit Kreis Lokus
Laufmechanismus mit Kreis Lokus
新增更多腿則會形成一個輪子。
類別
:
書: 基準曲柄腿機構比較
華夏公益教科書
