A.185 B.254 C.285 D.300
A.轉(zhuǎn)向器齒輪磨損過大 B.轉(zhuǎn)向器固定松曠 C.轉(zhuǎn)向拉桿球銷磨損 D.前輪定位失準
A.15° B.20 C.25° D.30°