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　　據(jù)??(ju)了??(le)解??(jie)??，從??(cong)神??(shen)舟??(zhou)十??(shi)七??(qi)號??(hao)乘?(cheng)組??(zu)開??(kai)始??(shi)??，航?(hang)天??(tian)員??(yuan)們??(men)共??(gong)七??(qi)次?(ci)出??(chu)艙??(cang)??，對??(dui)太??(tai)陽??(yang)翼??(yi)等??(deng)設(shè)??(she)備??(bei)設(shè)??(she)施??(shi)進??(jin)行??(xing)過??(guo)三??(san)次??(ci)維??(wei)護??(hu)??，基??(ji)本??(ben)完??(wan)成??(cheng)了??(le)艙??(cang)外??(wai)關(guān)??(guan)鍵??(jian)設(shè)??(she)備??(bei)和??(he)艙??(cang)體??(ti)核??(he)心??(xin)部??(bu)位??(wei)的??(de)空?(kong)間??(jian)碎??(sui)片??(pian)防??(fang)護??(hu)裝??(zhuang)置??(zhi)的??(de)增??(zeng)補??(bu)安??(an)裝??(zhuang)??。??　　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??(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)”??。。