排氣歧管(guan),是與發動機氣缸(gang)(gang)體(ti)相(xiang)連的,將各缸(gang)(gang)的排氣集中起來導入(ru)排氣總(zong)管(guan),帶有(you)分歧的管(guan)路。對(dui)它的要求主(zhu)要是,盡量減(jian)少排氣阻力,并避免(mian)各缸(gang)(gang)之間相(xiang)互干擾(rao)。
排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)的(de)作用:排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)是(shi)(shi)(shi)連接每個(ge)(ge)氣(qi)(qi)(qi)(qi)(qi)缸的(de),最后(hou)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)會(hui)匯集成一根(gen)管(guan)(guan)子(zi),排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)可(ke)以讓(rang)汽(qi)缸內排(pai)(pai)出的(de)廢(fei)氣(qi)(qi)(qi)(qi)(qi)進入排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)管(guan)(guan)。汽(qi)車都是(shi)(shi)(shi)有(you)(you)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)的(de),如果發動(dong)機(ji)有(you)(you)四個(ge)(ge)氣(qi)(qi)(qi)(qi)(qi)缸,就有(you)(you)四根(gen)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan),如果發動(dong)機(ji)有(you)(you)八(ba)個(ge)(ge)氣(qi)(qi)(qi)(qi)(qi)缸,就有(you)(you)八(ba)個(ge)(ge)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)。排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)也被稱為排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)頭段(duan),發動(dong)機(ji)的(de)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)管(guan)(guan)是(shi)(shi)(shi)由三段(duan)組成的(de),分別是(shi)(shi)(shi)頭段(duan),中(zhong)(zhong)(zhong)段(duan),尾(wei)段(duan)。中(zhong)(zhong)(zhong)段(duan)是(shi)(shi)(shi)在底盤上(shang)(shang)的(de),中(zhong)(zhong)(zhong)段(duan)是(shi)(shi)(shi)一根(gen)比較長的(de)管(guan)(guan)子(zi)。尾(wei)段(duan)是(shi)(shi)(shi)靠近(jin)后(hou)保險杠的(de)部分,尾(wei)段(duan)上(shang)(shang)一般有(you)(you)一個(ge)(ge)比較大(da)(da)的(de)消音器。排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)管(guan)(guan)可(ke)以讓(rang)發動(dong)機(ji)做功產(chan)生的(de)廢(fei)氣(qi)(qi)(qi)(qi)(qi)排(pai)(pai)到大(da)(da)氣(qi)(qi)(qi)(qi)(qi)中(zhong)(zhong)(zhong),并且(qie)可(ke)以降(jiang)低排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)過程中(zhong)(zhong)(zhong)產(chan)生的(de)噪音。
一款是中興(xing)老(lao)虎,另(ling)一款是中興(xing)旗艦,配置還行,不(bu)過發動機和整體的(de)感覺(jue)不(bu)入長(chang)城的(de)柴油DEER,長(chang)城DEER,是可以的(de),耐用。
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