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　　中?(zhong)國??(guo)航??(hang)天?(tian)科??(ke)技??(ji)集??(ji)團(tuán)??(tuan) 李??(li)學(xué)??(xue)東??(dong)：后??(hou)續(xù)??(xu)還??(hai)有??(you)一??(yi)些??(xie)防??(fang)護(hù)??(hu)維??(wei)修??(xiu)任??(ren)務(wù)??(wu)??，但?(dan)不??(bu)是??(shi)很??(hen)多??(duo)了??(le)??，還??(hai)有??(you)別??(bie)的??(de)出??(chu)艙??(cang)任??(ren)務(wù)??(wu)??，包??(bao)括??(kuo)新??(xin)技??(ji)術(shù)??(shu)驗(yàn)?(yan)證??(zheng)??，現(xiàn)?(xian)在??(zai)近??(jin)地??(di)軌??(gui)道?(dao)商??(shang)業(yè)??(ye)化??(hua)衛(wèi)??(wei)星??(xing)都??(dou)比??(bi)較??(jiao)多??(duo)了??(le)??，所??(suo)以??(yi)說??(shuo)近??(jin)地??(di)軌??(gui)道??(dao)碎??(sui)片??(pian)防??(fang)護(hù)??(hu)和??(he)衛(wèi)??(wei)星??(xing)防??(fang)護(hù)??(hu)就??(jiu)越??(yue)來??(lai)越??(yue)重?(zhong)要??(yao)了??(le)?。??　　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??(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??(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)”??。。