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                    为什么超市购物车的脚轮能够自由转动

                    交通建筑, 物理 你是第1248个围观者 0条评论 供稿者:

                    为什么超市购物车的脚轮能够自由转动

                    超市购物车的脚轮能够自由转动

                    CHAOSHILIDEGOUWUCHE,HUOZHEJICHANGLIYUNXINGLIDESHOUTUICHE,XIAFANGDOUYOU4GEJIAOLUN。ZIXIGUANCHAJIUKEYIFAXIAN,JIAOLUNDELUNZHOUHECHETIBINGBUGUDING,ERSHIKEYIRAOCHUIZHIZHOUZIYOUXUANZHUAN。YINWEILUNZHOURUGUOHECHETIGUDING,JIAOLUNJIUZHINENGCHAOQIANZHIXING,CHEZIJIUBUNENGGUAIWANLE。

                    CIWAIHAIKEYIFAXIAN,DANGNITUICHEQIANJINSHI,JIAOLUNZONGSHIGENSUIZAIXUANZHUANZHOUDEHOUFANG。RUGUOCONGQIANJINGAIWEIHOUTUI,JIAOLUNJIUHUITURANRAOCHUIZHIZHOUZHUANGUO180°,HAISHICHUYUGENSUIXUANZHUANZHOUDEWEIZHI。YIBANQINGKUANGXIA,JIAOLUNDEGUNDONGFANGXIANGBIXUHEQIANJINFANGXIANGBAOCHIYIZHICAINENGSHIGOUWUCHESHUNDANGDIYUNDONG。YIDANJIAOLUNDEGUNDONGFANGXIANGHECHETIQIANJINFANGXIANGBUYIZHI,DIMIANDEMOCALIJIUHUIDUIQIANFANGDECHUIZHIXUANZHUANZHOUCHANSHENGLIJU,TUIDONGJIAOLUNZHUANDAOYUXINGZOUFANGXIANGYIZHIDEWEIZHI。

                    牛元帅下载HEGOUWUCHEDEJIAOLUNXIANGSI,ZIXINGCHEYEYOULEISIDEXIANXIANG。RUGUOJIANGZIXINGCHEQIANCHADEXUANZHUANZHOUYANZHANGDAODIMIAN,TAHEDIMIANDEJIAODIANZONGSHIWEIYUQIANLUNHEDIMIANJIECHUDIANDEQIANMIAN。DANGNISHOUFUZUODIANXIANGQIANTUICHESHI,QIANLUNHENSHUNCONGDIGENSUIQIANJINFANGXIANG。RUGUOXIANGHOUDAOTUITUICHE,QIANLUNHEQIANCHADEXIANGDUIWEIZHIZHENGHAOXIANGFAN,CEXIANGMOCALIDETUIDONGFANGXIANGYEXIANGFAN,QIANLUNJIUHUIZUOYOUYAOHUANG。

                    自行车

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                    牛元帅下载SUIRANZIXINGCHEZIFAMINGYILAIYIYOU200DUONIANLISHI,DANSHIYAOJIESHIWEISHENMEJINGZHIDEZIXINGCHEYITUIJIUDAO,QIXINGQILAIQUEWENDINGBUDAODELIXUEYUANLI,QUEBINGBUHENRONGYI。SHANGMIANTIDAODEQIANLUNXUANZHUANZHOUDEWEIZHIJIUSHIYINGXIANGZIXINGCHEWENDINGXINGDEZHONGYAOYINSU,SHENZHIBICHELUNXUANZHUANSHIDEGUANXINGZUOYONGGENGWEIZHONGYAO。

                    这家伙很懒,什么都没写!

                    —— 10why

                    10why
                    众说纷纭Comments
                    大眼 可爱 大笑 坏笑 害羞 发怒 折磨 快哭了 大哭 白眼 晕 流汗 困 腼腆 惊讶 憨笑 色 得意 骷髅 囧 睡觉 眨眼 亲亲 疑问 闭嘴 难过 淡定 抗议 鄙视 猪头
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