! }4 X: b3 m2 O9 ~ If your towing vehicle is an SUV, it must be equipped with a hard top. - W2 s. F- g4 M8 Z( I+ ^7 f 2 e, K1 l# R& @. {! ~hard top是个什么东西啊? . A" g) O8 e7 P% k* N还有trailer的灯是怎么连的? ) p# } s" ?, z4 W% o' r# }: b* g5 X2 E, e( W
有木有热心的同志介绍一下这方面的情况啊. 不胜感激.