这次撞车事件涉及到多少车辆的翻译：This collision incident involving the number of vehicles 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

The number of vehicles involved in crashes

This collision incident involving the number of vehicles

This collision event involves to how much vehicles

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This collision incident involving the number of vehicles