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發(fā)布時(shí)間: 2012-10-11 10:05
正文摘要:寶馬新3系2013款F30排氣管改尾段四出-f009排氣新穎的橢圓型鼓身,多重回壓設(shè)計(jì),根據(jù)轉(zhuǎn)速的高低來(lái)調(diào)節(jié)回壓的大小,在高轉(zhuǎn)速時(shí)沒(méi)有共振聲,當(dāng)發(fā)動(dòng)機(jī)在低速時(shí),氣體流動(dòng)速度就慢,通過(guò)調(diào)節(jié)閥的速度會(huì)變慢,產(chǎn)生真空小 ... |
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