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物理较难题:每个滑轮的重力是多少？
智趣物理力学集291/390
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![延安市气象台发布大雾黄色预警[Ⅲ级/较重]](http://p3-sign.bdxiguaimg.com/tos-cn-p-0015/oUQBI4ZsA7vmMH2jgNiAvyVMETBIzzmIPPi3w~tplv-pk90l89vgd-fglass:864:486:90.jpeg?appId=32&channelId=0&customType=custom%2Fnone&from=101_middle_image&imageType=list&isImmersiveScene=0&is_stream=0&lk3s=9d3f5bff&logId=20241110155752206A3C8C77FA46C58612&requestFrom=101&x-expires=1762761473&x-signature=9Jy0jBleAHPXc9sMln3%2FBOPaSJI%3D)
