自行车修理时,常常要将车子倒放。为防止车子倾倒,便于修理,这里介绍一种自制的简易修车架。修车架的构造见图1、2,取一适当尺寸的长方条木,锯成3块,用两个合页及螺丝钉固定装好。在两块立板上部钻一个通孔,可用长螺栓和一个 When you are repairing a bicycle, you often want to put the car upside down. In order to prevent the dumping of the vehicle and facilitate the repair, a self-made simple repair frame is introduced here. The structure of the frame is shown in Fig.1 and Fig.2. Take a rectangular bar of appropriate size, saw it into 3 pieces, and fix it with two hinges and screws. Drill a through hole on both uprights, available with long bolts and one