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　　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??(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??(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??(ji)標??(biao)準??(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)”???！　?jù)??(ju)專??(zhuan)家??(jia)介?(jie)紹??(shao)??，目??(mu)前??(qian)空??(kong)間??(jian)站?(zhan)面??(mian)臨??(lin)的??(de)問??(wen)題??(ti)主??(zhu)要??(yao)來??(lai)自??(zi)空??(kong)間?(jian)碎??(sui)片??(pian)撞??(zhuang)擊??(ji)和??(he)平??(ping)臺??(tai)自??(zi)身??(shen)設(shè)??(she)備??(bei)老??(lao)化??(hua)??。??后??(hou)續(xù)??(xu)??，航??(hang)天??(tian)員??(yuan)們??(men)的??(de)出??(chu)艙??(cang)任??(ren)務(wù)??(wu)也??(ye)還??(hai)會??(hui)規(guī)??(gui)劃??(hua)這??(zhe)類??(lei)維??(wei)護??(hu)工??(gong)作??(zuo)??。。