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　　中??(zhong)國??(guo)航?(hang)天??(tian)員??(yuan)科??(ke)研?(yan)訓??(xun)練??(lian)中?(zhong)心??(xin) 劉??(liu)東??(dong)岳??(yue)：二??(er)代??(dai)艙??(cang)外?(wai)服??(fu)是??(shi)在??(zai)使??(shi)用??(yong)壽??(shou)命??(ming)、安??(an)全??(quan)可??(ke)靠??(kao)性??(xing)、活??(huo)動??(dong)工??(gong)效??(xiao)和?(he)測??(ce)試??(shi)維??(wei)修??(xiu)性??(xing)等??(deng)方?(fang)面??(mian)有?(you)一??(yi)個??(ge)全??(quan)面??(mian)提??(ti)升?(sheng)??。??單??(dan)次??(ci)出??(chu)艙??(cang)活??(huo)動??(dong)時?(shi)間??(jian)延??(yan)長??(chang)至??(zhi)8小??(xiao)時?(shi)以??(yi)上??(shang)??，活??(huo)動??(dong)關??(guan)節(jié)?(jie)的?(de)壽??(shou)命??(ming)提??(ti)升??(sheng)10余??(yu)倍??(bei)??，活??(huo)動??(dong)工??(gong)效??(xiao)大??(da)幅??(fu)提??(ti)升?(sheng)??，具??(ju)備?(bei)較??(jiao)好??(hao)的??(de)測??(ce)試??(shi)性??(xing)和??(he)維?(wei)修??(xiu)性?(xing)??。　　據??(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??(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??(wu)也??(ye)還??(hai)會??(hui)規(guī)??(gui)劃??(hua)這??(zhe)類??(lei)維?(wei)護??(hu)工??(gong)作??(zuo)??。。