介绍了俄罗斯PA系列730型、731型、731.25型和750型内燃动车、动车组的结构情况及主要技术参数。
Described are the structures and main technical parameters of pa series 730,731,731.25 and 750 diesel motor cars and DMUs in Russia.
分析了JZ—7电空制动系统的基本组成和作用原理，提出了在动车组加装尾部动车单独缓解功能的设计方案。
The fundamental composition and functional principles of the JZ-7 electro-pneumatic braking system are analyzed in detail.
分析了JZ—7电空制动系统的基本组成和作用原理，提出了在动车组加装尾部动车单独缓解功能的设计方案。
The fundamental composition and functional principles of the JZ-7 electro-pneumatic braking system are analyzed in detail.
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