ZTL型自动停车装置使用五年多时间了。实践证明,机车信号和自动停车装置配合使用确能对安全运输发挥很大的作用。但是过去这两项设备分别装有电源开关,尽管强调除(83)铁机字1877号文件所述五种情况外,必须始终开机使用;但是少数机车乘务员没有深刻认识到使用两项设备的意义和好处,因嫌麻烦 ZTL-type automatic parking device using more than five years time. Practice has proved that locomotive signals and automatic parking device with the use of really can play a significant role in the safe transport. In the past, however, the two devices were fitted with power switches, respectively, which had to be switched on all the time, despite the emphasis placed on the five situations described in (83). However, few locomotive crew members did not realize the significance of using two devices And the benefits, because too troublesome