三九養(yǎng)生堂記者 鄧肯·蓋伊 報(bào)道
精彩| 20世??(shi)紀(jì)??(ji)80年??(nian)代??(dai)以??(yi)來(lái)??(lai)??，我??(wo)國(guó)??(guo)火??(huo)箭??(jian)箱??(xiang)底??(di)制??(zhi)造??(zao)一?(yi)直??(zhi)采??(cai)用??(yong)分??(fen)塊?(kuai)成??(cheng)形??(xing)瓜??(gua)瓣??(ban)??，而??(er)后??(hou)再??(zai)焊??(han)接??(jie)成??(cheng)整??(zheng)體??(ti)的??(de)方??(fang)法??(fa)??。??拼??(pin)焊??(han)箱??(xiang)底??(di)生??(sheng)產(chǎn)??(chan)工??(gong)序??(xu)繁??(fan)多??(duo)??，制??(zhi)造??(zao)周?(zhou)期??(qi)長(zhǎng)??(chang)、成??(cheng)本??(ben)高??(gao)??，尤??(you)其??(qi)瓜??(gua)瓣??(ban)成??(cheng)形??(xing)精??(jing)度??(du)難??(nan)以??(yi)保??(bao)證??(zheng)一?(yi)致秘(zhi)??，成??(cheng)為??(wei)火??(huo)箭??(jian)一??(yi)個(gè)??(ge)薄??(bo)弱??(ruo)風(fēng)??(feng)險(xiǎn)??(xian)點(diǎn)??(dian)???！ ≠A??(zhu)箱??(xiang)是??(shi)火?(huo)箭??(jian)主??(zhu)體??(ti)結(jié)??(jie)構(gòu)??(gou)??，占??(zhan)火??(huo)箭??(jian)結(jié)??(jie)構(gòu)??(gou)干??(gan)重??(zhong)80%??。?貯??(zhu)箱??(xiang)箱??(xiang)底??(di)為??(wei)橢??(tuo)球??(qiu)形?(xing)曲??(qu)面??(mian)薄?(bo)壁??(bi)結(jié)??(jie)構(gòu)??(gou)??，服??(fu)役??(yi)時(shí)??(shi)承??(cheng)受??(shou)內(nèi)??(nei)壓??(ya)、軸??(zhou)壓??(ya)、振??(zhen)動(dòng)??(dong)和??(he)沖??(chong)擊??(ji)等??(deng)復(fù)??(fu)雜??(za)載?(zai)荷??(he)聯(lián)??(lian)合??(he)作??(zuo)用??(yong)??，是??(shi)關(guān)??(guan)系?(xi)火??(huo)箭??(jian)整??(zheng)體??(ti)可??(ke)靠??(kao)性??(xing)的??(de)核??(he)心??(xin)關(guān)?(guan)鍵??(jian)構(gòu)??(gou)件??(jian)??，被?(bei)譽(yù)??(yu)為??(wei)火??(huo)箭??(jian)上??(shang)的??(de)“皇??(huang)冠??(guan)”??。
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