排(pai)氣(qi)歧(qi)管,是(shi)與(yu)發動機氣(qi)缸體相(xiang)連的(de)(de),將各缸的(de)(de)排(pai)氣(qi)集中(zhong)起(qi)來(lai)導入(ru)排(pai)氣(qi)總管,帶有分歧(qi)的(de)(de)管路(lu)。對它的(de)(de)要(yao)求主要(yao)是(shi),盡量減少排(pai)氣(qi)阻(zu)力,并避(bi)免(mian)各缸之間(jian)相(xiang)互干擾。
排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)(guan)(guan)(guan)(guan)的作用:排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)(guan)(guan)(guan)(guan)是(shi)(shi)(shi)連接(jie)每個(ge)(ge)氣(qi)(qi)(qi)(qi)(qi)(qi)缸的,最后排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)(guan)(guan)(guan)(guan)會匯集成(cheng)一(yi)根管(guan)(guan)(guan)(guan)(guan)(guan)子(zi),排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)(guan)(guan)(guan)(guan)可以讓汽(qi)缸內排(pai)(pai)出(chu)的廢(fei)氣(qi)(qi)(qi)(qi)(qi)(qi)進入排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)。汽(qi)車都是(shi)(shi)(shi)有(you)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)(guan)(guan)(guan)(guan)的,如果(guo)發(fa)動(dong)機有(you)四個(ge)(ge)氣(qi)(qi)(qi)(qi)(qi)(qi)缸,就有(you)四根排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)(guan)(guan)(guan)(guan),如果(guo)發(fa)動(dong)機有(you)八(ba)個(ge)(ge)氣(qi)(qi)(qi)(qi)(qi)(qi)缸,就有(you)八(ba)個(ge)(ge)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)(guan)(guan)(guan)(guan)。排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)歧(qi)管(guan)(guan)(guan)(guan)(guan)(guan)也被稱(cheng)為(wei)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)頭(tou)段(duan),發(fa)動(dong)機的排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)是(shi)(shi)(shi)由三段(duan)組成(cheng)的,分(fen)別是(shi)(shi)(shi)頭(tou)段(duan),中(zhong)(zhong)段(duan),尾(wei)段(duan)。中(zhong)(zhong)段(duan)是(shi)(shi)(shi)在(zai)底盤上的,中(zhong)(zhong)段(duan)是(shi)(shi)(shi)一(yi)根比較長的管(guan)(guan)(guan)(guan)(guan)(guan)子(zi)。尾(wei)段(duan)是(shi)(shi)(shi)靠(kao)近后保險杠(gang)的部分(fen),尾(wei)段(duan)上一(yi)般有(you)一(yi)個(ge)(ge)比較大(da)的消音(yin)器。排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)可以讓發(fa)動(dong)機做功產生的廢(fei)氣(qi)(qi)(qi)(qi)(qi)(qi)排(pai)(pai)到大(da)氣(qi)(qi)(qi)(qi)(qi)(qi)中(zhong)(zhong),并且可以降(jiang)低排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)過程中(zhong)(zhong)產生的噪音(yin)。
Rexton的(de)車(che)(che)身造型(xing)(xing)出自(zi)著名(ming)設計工作室ltaldesign之手,渾(hun)圓(yuan)的(de)線條下(xia)充(chong)滿了(le)未來感。前后保險稈和(he)車(che)(che)側踏板(ban)與車(che)(che)身整合為(wei)一體,簡潔之中又(you)帶有豪(hao)華的(de)味道,也比雙(shuang)龍旗(qi)下(xia)既(ji)有的(de)車(che)(che)款高(gao)級許多。 雷(lei)斯特外觀(guan)圓(yuan)實俊朗,造型(xing)(xing)時尚(shang)而動(dong)感十足。
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