滑板手推车

carolfeeling

- h/ t, f$ E8 I; f5 Twww2.tvboxnow.com将滑板车与手推车组合到一起，不仅能够提高工作效率，还能够让人工作时忙里偷闲的娱乐一下。
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) H: w2 m4 a" j  }$ W公仔箱論壇该产品车体重量为115磅，载货量100磅。tvb now,tvbnow,bttvb) I6 z3 x0 [! X2 W  W/ `
尺寸为：60 x 30 x 42英寸

limsp5

From the view point of physics it is not efficient. When you use both feet you are applying two forces.