自行车是目前城乡居民常用的交通工具。因此,人们对它也倍加爱护。农村天阴下雨,道路泥泞,自行车也弄得泥巴糊糊。而天气晴好后,爱惜自行车的朋友总喜欢用水把自行车冲洗得干干净净,然后再加一点油来润滑一下。多数农家没有专用的润滑油,常随手将家中 Bicycles are currently used by urban and rural residents. Therefore, people care for it too much. Rainy days in rural areas, the road muddy, muddy bike also made confused. And the weather is fine, cherish bicycle friends always like to use water to wash the bike clean, then add a little oil to lubricate. Most farmers do not have special lubricants, often readily at home