Even as an early Volvo, it has very good roof strength.
即使作为早期沃尔沃，它具有很好的车顶强度。
Other structural characteristics (e.g., side strength, roof strength as a function of vehicle weight).
其他结构特性（如，侧体强度，由整车重量计算得到的车顶强度）
Other structural characteristics (e.g., side strength, roof strength as a function of vehicle weight).
其他结构特性（如，侧体强度，由整车重量计算得到的车顶强度）
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