欧美丰满肥臀一区,亚洲乱伦性爱小说视频,最新无码人妻在线不卡,京广成人小电影a三区,先锋色色AV网,亚洲伊人涩涩

原標(biāo)題：videosfreeones性欧美另类

　　艙??(cang)外??(wai)航??(hang)天??(tian)服??(fu)是??(shi)航??(hang)天??(tian)員??(yuan)艙??(cang)外??(wai)活??(huo)動(dòng)??(dong)過(guò)??(guo)程??(cheng)中??(zhong)的?(de)核??(he)心??(xin)裝??(zhuang)備??(bei)??，承??(cheng)擔(dān)??(dan)保??(bao)障??(zhang)著??(zhe)航??(hang)天??(tian)員??(yuan)在?(zai)艙?(cang)外??(wai)活??(huo)動(dòng)??(dong)中??(zhong)的??(de)生?(sheng)命?(ming)安??(an)全??(quan)和??(he)高??(gao)效??(xiao)作??(zuo)業(yè)??(ye)?。?據(jù)??(ju)了??(le)解??(jie)??，中??(zhong)國(guó)??(guo)空??(kong)間??(jian)站??(zhan)艙??(cang)外??(wai)航??(hang)天??(tian)服??(fu)是??(shi)第??(di)二??(er)代??(dai)“飛??(fei)天??(tian)”艙??(cang)外??(wai)航??(hang)天??(tian)服??(fu)??，按??(an)照?(zhao)設(shè)??(she)計(jì)??(ji)標(biāo)??(biao)準(zhǔn)??(zhun)??，使??(shi)用??(yong)壽??(shou)命??(ming)為??(wei)“在??(zai)軌??(gui)貯??(zhu)存?(cun)3年??(nian)??，其??(qi)間??(jian)??，出?(chu)艙??(cang)使??(shi)用??(yong)次??(ci)數(shù)??(shu)不??(bu)小??(xiao)于??(yu)15次??(ci)”??！　≈??(zhong)國(guó)??(guo)航??(hang)天??(tian)科??(ke)技?(ji)集??(ji)團(tuán)??(tuan) 李??(li)學(xué)??(xue)東??(dong)：氣??(qi)閘??(zha)艙??(cang)設(shè)??(she)備??(bei)基??(ji)本??(ben)上??(shang)都??(dou)鋪?(pu)滿??(man)了??(le)??，這??(zhe)次?(ci)航??(hang)天??(tian)員??(yuan)要??(yao)多??(duo)次??(ci)進(jìn)??(jin)行??(xing)艙??(cang)內(nèi)??(nei)外??(wai)傳??(chuan)遞??(di)??，作??(zuo)業(yè)??(ye)點(diǎn)??(dian)也??(ye)是??(shi)比??(bi)較?(jiao)多??(duo)??。??通??(tong)俗??(su)說(shuō)??(shuo)??，航??(hang)天??(tian)員??(yuan)都??(dou)要??(yao)多??(duo)跑?(pao)幾??(ji)趟??(tang)??，來(lái)??(lai)回??(hui)取??(qu)設(shè)??(she)備??(bei)、裝??(zhuang)設(shè)??(she)備??(bei)??，然??(ran)后??(hou)設(shè)??(she)備??(bei)的??(de)尺??(chi)寸??(cun)也??(ye)比??(bi)較??(jiao)大??(da)??，這??(zhe)次??(ci)任??(ren)務(wù)??(wu)完??(wan)成??(cheng)之??(zhi)后??(hou)??，問(wèn)??(wen)天??(tian)艙?(cang)艙??(cang)外??(wai)的??(de)防??(fang)護(hù)??(hu)裝??(zhuang)置??(zhi)組??(zu)裝??(zhuang)任??(ren)務(wù)??(wu)大??(da)部??(bu)分??(fen)工??(gong)作??(zuo)就??(jiu)結(jié)??(jie)束??(shu)了??(le)??，后??(hou)續(xù)??(xu)的??(de)任??(ren)務(wù)??(wu)可??(ke)能??(neng)就??(jiu)是??(shi)圍??(wei)繞?(rao)天??(tian)和??(he)核?(he)心??(xin)艙??(cang)和??(he)夢(mèng)??(meng)天??(tian)實(shí)??(shi)驗(yàn)??(yan)艙??(cang)進(jìn)??(jin)行??(xing)艙??(cang)外??(wai)組??(zu)裝??(zhuang)的?(de)任??(ren)務(wù)??(wu)??。。