A.上和下B.前和后C.前傾和后傾D.左和右
A.牌照燈B.前霧燈C.近光燈D.轉(zhuǎn)向燈
A.提供電能B.產(chǎn)生高壓電C.產(chǎn)生電火花D.實(shí)現(xiàn)對(duì)點(diǎn)火時(shí)間的自動(dòng)調(diào)整