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    產品優勢 使參觀更加生動直觀。通過令牌實現各個配件多角度觀看、拆裝和分解，也可以選擇不同的部件進行進一步觀看， 可以親身經歷、感受轉向架的各個步驟要點和知識點，加速和鞏固學生學�？梢钥焖偕傻挠|控屏媒...

    發布日期：2020-5-7 查看更多>>
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