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Notice: Undefined index: HTTPS in /www/wwwroot/mengmianren.com/wp-content/plugins/dessky-cache/dessky-cache.php on line 43 在下列图示机构中的各高副中,哪些高副属于平面复合高副A图c中齿轮与齿轮的接触高副算两个约束;B图b中偏心轮与构件的两处接触高副也只算一个约束;C图a中滚子与杆的两处接触组成高副只算一个约束D图c中齿轮与齿轮的接触高副算一个约束 – 萌面人博客