杭州桐庐雪华笔业有限公司是一家集设计、制造、销售为一体，轨道螺栓以塑料圆珠笔，半金属圆珠笔，广告笔，外贸笔为主的文具制造企业。
Hangzhou Tonglu XueHua pen-making co., Ltd. is a stationery manufacturing firm which contains designing, manufacturing, selling as a body, it makes advertisement pen primarily.
轨道连接螺栓松动，造成轨道位移，也会引起倒塔。
Rail connection bolts loose, resulting in track displacement, will also cause the tower.
根据检查结果，可以对轨道的压板、鱼尾板、螺栓等进行必须调整。
According to the results of the inspection of track plate, fish plate, bolts etc. must be adjusted.
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