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解惑“钢钢钢钢钢钢钢好痛免费简介”-梳理天下新闻

CR450动车钢钢钢钢钢钢钢好痛免费简介组样车发布

来源: 贵州日报
2024-12-30 08:51:49

最佳回答

“钢钢钢钢钢钢钢好痛免费简介”CR450动车钢钢钢钢钢钢钢好痛免费简介组样车发布

  中新钢钢钢钢钢钢钢好痛免费简介社北京12月29日电 钢钢钢钢钢钢钢好痛免费简介(尹倩芸)中国国家铁路集团有限公司(国铁集团)29日消息,CR450动车组样车当日在北京发布。

图为CR450-BF。(国铁集团供图)

  据悉,CR450动车组样车运营速度、运行能耗、车内噪声、制动距离等主要指标国际领先。

  一是更高速,动车组试验速度时速450公里,运营速度时速400公里,未来投入商业运营后可进一步压缩时空距离。

  二是更安全,制动距离更短、运行稳定性更优,在运营速度提升的情况下,制动距离基本相当。

  三是更节能,动车组整车运行阻力降低22%,减重10%。

  四是更舒适,车内噪声降低2分贝,客室服务空间增加4%。

  五是更智能,行车与控制、司机智能交互、安全监控、旅客智能服务等领域均得到全面升级。

图为CR450-AF商务舱。(国铁集团供图)

  国铁集团科信部介绍,自2018年开始,科研院所、高校、企业等科研力量组成联合创新团队,在时速400公里商业运营技术“无人区”探索;2021年开始时速400公里CR450动车组研发和高铁基础设施成套技术研究;2022年发布CR450动车组总体技术条件,并于2022年至2023年,分别在弥蒙、福厦高铁开展了CR450动车组新技术部件换装试验;2024年正式启动样车生产。(完)

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