目前,不少拖拉机驾驶员,为了节省几个钱,找一些废旧铁皮、角铁等,焊接成拖拉机挂车。岂不知,这样做不但违反了有关规定,而且增加了事故隐患,同时给窃车者提供方便。有关部门规定:拖拉机挂车的生产,必须经过质量检验,合格后发给推广许可证。才准予生产、销售,有关部门才能给予办理落户手续。机手自制挂车,所用的材料大多是废旧钢板、角铁等,质量难以 At present, many tractor drivers, in order to save a few money, find some scrap metal, angle iron, etc., welded into a tractor trailer. Do you not know that doing so not only violated the relevant provisions, but also increased the hidden dangers of accidents and provided conveniences to the car theft. Relevant department regulations: tractor trailer production, must go through quality inspection, issued to promote the permit. It is allowed to produce, sell, the relevant departments can be given to settle the formalities. Handmade trailer, the materials used are mostly scrap steel, angle iron, etc., the quality is difficult