想想你拖一8000 磅的Trailer 行驶在盘山公路上，如果车的横向刚度差，trailer左右摇摆是很危险的。

来源: southmountainer 于 2015-12-29 08:07:26 [旧帖] [给我悄悄话] 本文已被阅读：次

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