Described are the main technical parameters of 3 types of tight-lock draft gears for multiple units in Europe and Japan, which are going to be imported by the Railway in our country.
介绍了我国铁路引进的欧洲和日本共3种动车组密接式钩缓装置的主要技术参数，并对这3种钩缓装置的总体设计、车钩和缓冲器的技术特点进行了比较分析。
The electric and diesel multiple units have such advantages as high transport capacity, low transport cost, and have become the development tendency of middle and short distance railway transport.
内燃、电动车组具有运输能力大、运输成本低等优点，已成为中短途铁路运输的发展趋势。
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