Changchun Passenger car manufactory is China first big, world fifth big track vehicles manufacturer.

长春客车厂是中国第一大，世界第五大轨道车辆制造商。

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The study provides a reliable basis for the estimation of sinking and the parameter optimization of big track shoe.

为大履刺履带的下陷估计和参数优化提供依据。

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This was when you had this big track, and if you have wandered around different Greek cities that are dug up, some of them will have the hippodrome there, and you can see how huge they were.

里面是大型赛道，如果你参观过发掘出土的希腊城市，有一些会有赛马场，非常宏伟巨大。

youdao

This was when you had this big track, and if you have wandered around different Greek cities that are dug up, some of them will have the hippodrome there, and you can see how huge they were.

里面是大型赛道，如果你参观过发掘出土的希腊城市，有一些会有赛马场，非常宏伟巨大。

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The big track is 13 miles long.

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Craning our necks to see the front of our train nose out of a tunnel as the back of it enters, down below we spot the Trans-Canada Highway, laid on top of the original Big Hill track bed.

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