• 2021-04-14 问题

    图示机构中CDFE和EFHG均为平行四边形,则机构的自由度为(    )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201705/bd5471edf99c4e5384879b10c4950679.png

    图示机构中CDFE和EFHG均为平行四边形,则机构的自由度为(    )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201705/bd5471edf99c4e5384879b10c4950679.png

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