Build big channel of railroad inside and outside, transform existing line.

建设铁路内外大通道, 改造现有线路.

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The company's existing line of a modern, employees 500 people, dozens of R & D personnel.

公司现有现代化的流水线一条, 员工500人, 研发 人员数十人.

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The composite shoe of iron is developed to improve the running speed on existing line.

为提高既有线的运行速度,开发了铸铁合成闸瓦,该闸瓦利用陶瓷粒子来提高摩擦系数.

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Adopting the tilting car is an effective measure to improve speed in the existing line.

采用摆式客车是在既有线路上提速的有效措施,摆式客车的关键技术之一是转向架.

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