DOT 3,DOT 4,DOT 5.1是向下兼容的，DOT 5 is another story though！ :-DDD

来源: 于 2016-09-16 10:40:45 [旧帖] [给我悄悄话] 本文已被阅读：次

DOT 4 is more than enough for daily commute, so forget about DOT 5.1