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ＴＸ１２－２５／２５信号灯泡的检验、贮存和使用北京铁路局南仓物资供应总段秦长海随着铁路列车运行速度不断提高，信号显示在保证列车安全运行中起着越来越重要的作用。ＴＸ１２－２５／２５信号灯泡就成为信号机构中的一个非常关键的元件。信号灯泡不仅应用范围大，需...
TX12-25 / 25 signal light bulb inspection, storage and use Beijing Railway Bureau South warehouse supplies total length Qin Changhai With the continuous growth of railway trains, the signal display in ensuring the safe operation of trains play an increasingly important role. The TX12-25 / 25 signal light bulb becomes a very critical element of the signal organization. Not only the signal light bulbs, need ...