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原標(biāo)題：一品道一卡二卡三卡

　　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)??。　　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)多祝(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)??。??。