排(pai)氣(qi)(qi)歧(qi)管,是與發動機氣(qi)(qi)缸體相連(lian)的,將各(ge)(ge)缸的排(pai)氣(qi)(qi)集中(zhong)起來導入排(pai)氣(qi)(qi)總(zong)管,帶有分歧(qi)的管路。對它的要(yao)求主要(yao)是,盡量減少排(pai)氣(qi)(qi)阻力,并避免各(ge)(ge)缸之(zhi)間(jian)相互干(gan)擾。
排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)歧管(guan)(guan)(guan)的(de)(de)作用:排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)歧管(guan)(guan)(guan)是連接每(mei)個(ge)(ge)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)缸的(de)(de),最后(hou)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)歧管(guan)(guan)(guan)會匯集成一根管(guan)(guan)(guan)子,排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)歧管(guan)(guan)(guan)可以(yi)(yi)讓汽缸內排(pai)(pai)出(chu)的(de)(de)廢(fei)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)進入(ru)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)。汽車都是有(you)(you)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)歧管(guan)(guan)(guan)的(de)(de),如(ru)果(guo)發動(dong)(dong)機有(you)(you)四個(ge)(ge)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)缸,就有(you)(you)四根排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)歧管(guan)(guan)(guan),如(ru)果(guo)發動(dong)(dong)機有(you)(you)八(ba)個(ge)(ge)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)缸,就有(you)(you)八(ba)個(ge)(ge)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)歧管(guan)(guan)(guan)。排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)歧管(guan)(guan)(guan)也(ye)被稱為排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)頭段(duan)(duan),發動(dong)(dong)機的(de)(de)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)是由三段(duan)(duan)組成的(de)(de),分別是頭段(duan)(duan),中(zhong)(zhong)段(duan)(duan),尾(wei)段(duan)(duan)。中(zhong)(zhong)段(duan)(duan)是在底盤上(shang)的(de)(de),中(zhong)(zhong)段(duan)(duan)是一根比較長的(de)(de)管(guan)(guan)(guan)子。尾(wei)段(duan)(duan)是靠近后(hou)保險(xian)杠的(de)(de)部分,尾(wei)段(duan)(duan)上(shang)一般(ban)有(you)(you)一個(ge)(ge)比較大的(de)(de)消音(yin)(yin)器。排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)可以(yi)(yi)讓發動(dong)(dong)機做功產(chan)生的(de)(de)廢(fei)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)排(pai)(pai)到大氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)中(zhong)(zhong),并且(qie)可以(yi)(yi)降低排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)過程中(zhong)(zhong)產(chan)生的(de)(de)噪音(yin)(yin)。
上(shang)汽大通 T70 內飾豐富具有層次感,時(shi)尚大(da)氣,更(geng)偏向乘用(yong)車的(de)風格(ge),其(qi)中控臺左右對稱,并(bing)采用(yong)大(da)量的(de)皮質(zhi)和軟(ruan)性搪塑材(cai)料覆(fu)蓋,提升車內的(de)質(zhi)感。
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