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仔细观察一下这幅图,如果手柄按图纸所示方向转动,那么升降台上的重物会向哪个方向移动? 答案:IQ超人们, 看答案请点右下角[发表评论]回复后刷新即可,如果您愿意帮忙点击一下上面的B站视频支持本站维持运营,那就非常感谢,你懂的。另外由于本站十分低调奢华有内涵,所以通过注册的成员数将控制在1000名左右,长期不来的亲会被删除哟。
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