摘要
通过分析GZ 2型轨道钻孔机的缺点及不足, 提出GZ 3A型钻孔机的改进方案, 介绍其结构特点及应用情况。
Through analyzing the shortcoming and deficits of GZ 2 mode track drilling machine, an improvement plan for the machine was put forward and its structure, characteristics, and application were introduced.
出处
《铁道通信信号》
2005年第6期17-19,共3页
Railway Signalling & Communication
