The first double deck diesel multiple unit in China has been developed inhouse by Tangshan Locomotive and Rolling Stock Works.

介绍了由唐山机车车辆厂自行研制开发的国内首列双层内燃动车组。

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The structural scheme, design process, used cooling technologies, components features and relevant tests of cooling device for TSD09 tilting diesel multiple unit were described.

介绍了TSD09型摆式动车组冷却装置的任务来源、设计过程、冷却装置结构方案、运用的冷却技术、部件特点以及相关试验。

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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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Both Otto cycle(spark ignition) and Diesel cycle engines(compression ignition) engines can be made to run on multiple fuels(petroleum, ethanol, natural gas) The cost is only nominally more than single fuel engines.

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