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最近不少单位来西来人查询45公斤钢轨反其配件的图纸,这种钢轨是我国自行设计和制造的新品种,在标准轨距铁路上采用的配件,我们已大部分设计完成,现在介绍如下:
Recently, many units came to the West to inquire 45 kilograms of rails against the drawings of their parts. This kind of rail is a new type that China has designed and manufactured on its own. Most of the accessories used on standard gauge railways have already been designed and are now introduced. as follows: