% M# H' D+ N+ `* c6 } If your towing vehicle is an SUV, it must be equipped with a hard top.% b/ V3 p# ~4 a
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hard top是个什么东西啊?( Z3 O H0 { `$ x# g
还有trailer的灯是怎么连的?0 u$ P2 r8 E& U" m9 s1 V8 N- G
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有木有热心的同志介绍一下这方面的情况啊. 不胜感激.