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　　此??(ci)次??(ci)出?(chu)艙??(cang)??，神??(shen)舟??(zhou)十?(shi)九??(jiu)號(hào)??(hao)航??(hang)天??(tian)員??(yuan)蔡??(cai)旭??(xu)哲??(zhe)和??(he)宋??(song)令??(ling)東??(dong)身??(shen)著??(zhe)中?(zhong)國??(guo)空??(kong)間?(jian)站??(zhan)艙??(cang)外??(wai)航?(hang)天??(tian)服?(fu)??，圓??(yuan)滿??(man)完??(wan)成??(cheng)出??(chu)艙??(cang)活??(huo)動(dòng)?(dong)??。??至??(zhi)此??(ci)??，中??(zhong)國??(guo)空??(kong)間??(jian)站?(zhan)艙??(cang)外?(wai)航??(hang)天?(tian)服??(fu)已??(yi)經(jīng)??(jing)圓?(yuan)滿?(man)保??(bao)障??(zhang)空??(kong)間??(jian)站??(zhan)任??(ren)務(wù)??(wu)以??(yi)來??(lai)的??(de)19次??(ci)出??(chu)艙??(cang)活??(huo)動(dòng)??(dong)??，使?(shi)用??(yong)年??(nian)限??(xian)次??(ci)數(shù)?(shu)超??(chao)出??(chu)“3年??(nian)15次??(ci)”的??(de)壽?(shou)命??(ming)設(shè)??(she)計(jì)??(ji)指??(zhi)標(biāo)??(biao)???？??(kong)間??(jian)站??(zhan)艙??(cang)外??(wai)航??(hang)天??(tian)服??(fu)是??(shi)我??(wo)國??(guo)首??(shou)個(gè)??(ge)在??(zai)軌??(gui)開??(kai)展??(zhan)壽?(shou)命??(ming)評(píng)??(ping)估??(gu)工??(gong)作??(zuo)的??(de)飛??(fei)行?(xing)產(chǎn)??(chan)品??(pin)??。　　根??(gen)據(jù)?(ju)計(jì)??(ji)劃??(hua)??，在?(zai)約??(yue)7小??(xiao)時(shí)??(shi)的??(de)出??(chu)艙??(cang)活??(huo)動(dòng)??(dong)中??(zhong)??，航??(hang)天??(tian)員??(yuan)乘??(cheng)組??(zu)在??(zai)空??(kong)間??(jian)站??(zhan)機(jī)??(ji)械?(xie)臂??(bi)和??(he)地??(di)面?(mian)科??(ke)研?(yan)人??(ren)員??(yuan)的??(de)配?(pei)合??(he)支??(zhi)持??(chi)下??(xia)??，完??(wan)成??(cheng)了?(le)空?(kong)間??(jian)站?(zhan)空??(kong)間??(jian)碎??(sui)片??(pian)防?(fang)護(hù)??(hu)裝??(zhuang)置??(zhi)及??(ji)艙??(cang)外??(wai)輔??(fu)助??(zhu)設(shè)??(she)施??(shi)安??(an)裝??(zhuang)、艙??(cang)外??(wai)設(shè)??(she)備??(bei)設(shè)??(she)施?(shi)巡??(xun)檢??(jian)等??(deng)任?(ren)務(wù)??(wu)??。?其??(qi)中??(zhong)??，節(jié)??(jie)點(diǎn)??(dian)艙??(cang)艙??(cang)外??(wai)狀??(zhuang)態(tài)??(tai)設(shè)??(she)置??(zhi)的??(de)完?(wan)成??(cheng)??，將??(jiang)為??(wei)后??(hou)續(xù)??(xu)使??(shi)用??(yong)節(jié)??(jie)點(diǎn)??(dian)艙??(cang)出??(chu)艙??(cang)奠??(dian)定??(ding)基?(ji)礎(chǔ)??(chu)??。。