这个说的不是一般的loose graval

是指特别厚的那种，抱死以后车轮会把沙土或者积雪卷起来，堆成堆，增加刹车力
【 在 qlogic (戒网了) 的大作中提到: 】
: Although ABS generally offers improved vehicle control and decreases stopping
: distances on dry and slippery surfaces, on loose gravel or snow-covered
: surfaces, ABS may significantly increase braking distance, while still
: ...................
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FROM 106.120.122.*