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【多选题】
依据ABS防抱死制动控制系统原理，ABS的主要系统作用是？（）A.
制动时还可保持转向变道的能力
B.
获得最短制动距离
C.
制动过程不会造成车辆侧滑和甩尾
D.
通过保持轮胎最大抓地力达最大理论值
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