试验线路的确定是行驶工况调查的关键环节。

Confirming test routes is crucial step of driving investigation.

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汽车驶过有横向风作用的大桥是汽车行驶典型工况。

It is very typical that a car goes through a bridge with cross-wind.

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汽车驶过有横向风作用的大桥是汽车行驶典型工况。

It is very typical that a car goes through a bridge with cross-wind.

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