听着好像在加负载的情况下有Pinging or knocking
回答: 我记得是爬坡时超过2500转就开始不行了,但是平路4000转,声音也不如爬坡2500转大,爬坡的阈值在2100转,声音开始变大,
由 ddppt88
于 2016-08-23 18:23:00
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