The analysis results show that the scheme of one way straight sill is an optimized scheme which is helpful in lightening of the structure of the long and big cargo wagon.
分析结果表明：单向直梁方案是一种优化方案，有助于大车结构的轻量化。
Shanghai has been built to be International Shipping Center. In 2009, its cargo throughput ranks number one and container throughputs of 3 straight years rank number two in the world.
上海致力于成为国际航运中心，2009年上海港货物吞吐量世界第一，连续三年集装箱吞吐量世界第二。
Shanghai has been built to be International Shipping Center. In 2009, its cargo throughput ranks number one and container throughputs of 3 straight years rank number two in the world.
上海致力于成为国际航运中心，2009年上海港货物吞吐量世界第一，连续三年集装箱吞吐量世界第二。
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