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2025-03-27 09:15:39 來(lái)源:新華網(wǎng)

原標(biāo)題:欧美成人aa视频免费观看

學(xué)習(xí)快評(píng)丨qibao666888  條??(tiao)件?(jian)所??(suo)限??(xian)??,那??(na)時(shí)??(shi)修??(xiu)車(chē)??(che)需??(xu)要??(yao)的??(de)配??(pei)件??(jian)幾??(ji)乎??(hu)都?(dou)是??(shi)親??(qin)自??(zi)動(dòng)??(dong)手??(shou)做??(zuo)??。??“從??(cong)車(chē)??(che)底??(di)支?(zhi)撐??(cheng)的??(de)工??(gong)字??(zi)梁??(liang)??,到??(dao)車(chē)??(che)身??(shen)的?(de)大??(da)梁??(liang)、鋼?(gang)棒??(bang)、角??(jiao)鋼??(gang)??,都??(dou)是??(shi)自??(zi)產(chǎn)?(chan)自?(zi)制??(zhi)??。”張??(zhang)天??(tian)文??(wen)說(shuō)??(shuo)??,“鑄??(zhu)造?(zao)時(shí)??(shi)??,把??(ba)鋼??(gang)、鐵??(tie)、銅??(tong)等??(deng)材??(cai)料??(liao)按??(an)一??(yi)定??(ding)配??(pei)比??(bi)??,放??(fang)在??(zai)鋼??(gang)爐??(lu)里??(li)重??(zhong)新??(xin)煉??(lian)??,出??(chu)爐??(lu)后?(hou)倒?(dao)在??(zai)模??(mo)具??(ju)里??(li)、上??(shang)車(chē)??(che)床??(chuang)??,各??(ge)部??(bu)位??(wei)的??(de)配??(pei)件?(jian)柔??(rou)韌??(ren)度??(du)不??(bu)一??(yi)??,要??(yao)精??(jing)準(zhǔn)??(zhun)把??(ba)控??(kong)???!薄 ⌒??(xiu)復(fù)??(fu)改??(gai)造??(zao)是??(shi)大??(da)工??(gong)程??(cheng)??,得??(de)按??(an)部??(bu)就??(jiu)班??(ban)??。??“一??(yi)般??(ban)鐵??(tie)皮??(pi)受??(shou)損??(sun)最??(zui)嚴(yán)??(yan)重??(zhong)??,只?(zhi)能??(neng)照??(zhao)圖??(tu)紙??(zhi)上??(shang)的?(de)尺??(chi)寸??(cun)重??(zhong)新??(xin)裁?(cai)??,弧??(hu)度??(du)、角??(jiao)度?(du)??,都??(dou)用??(yong)機(jī)??(ji)器??(qi)壓??(ya)出??(chu)來(lái)??(lai)??,保??(bao)證??(zheng)嚴(yán)??(yan)絲??(si)合??(he)縫?(feng)???!彼??(ta)說(shuō)??(shuo)??,“車(chē)??(che)身??(shen)配??(pei)件??(jian)要??(yao)補(bǔ)??(bu)齊??(qi)??,再??(zai)用??(yong)砂??(sha)布??(bu)整??(zheng)體??(ti)打??(da)磨??(mo)、重??(zhong)新??(xin)上??(shang)漆??(qi)??,連??(lian)車(chē)??(che)斗??(dou)上??(shang)的??(de)木??(mu)封??(feng)條??(tiao)??,都??(dou)要??(yao)仔??(zai)仔?(zai)細(xì)??(xi)細(xì)??(xi)再??(zai)刷??(shua)一??(yi)遍??(bian)???!薄?/p>

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