It has been found that the use of triangular elements for performing an economic optimization along with a release of Angle constraint can result in even lower freight charges.

采用三角形单元体进行经济学优化，并释放角度约束，能得到更低的运输费用。

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The bad release of the composite brake beam in speed increased bogies for railway freight cars is analyzed through calculation and test.

通过计算和试验，对铁路货车提速转向架组合式制动梁缓解不良问题进行了分析，提出了影响因素和改进方案。

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Although the company did not release financial details of how much it makes from Eurostar traffic, as opposed to freight, a spokesman said the passenger service made up the "lion's share" of rail revenues.

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