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　　神??(shen)舟?(zhou)十??(shi)九??(jiu)號??(hao)乘??(cheng)組??(zu)的??(de)第??(di)三??(san)次?(ci)出??(chu)艙??(cang)活??(huo)動?(dong)??，也??(ye)是??(shi)空??(kong)間?(jian)站??(zhan)階??(jie)段??(duan)的??(de)第?(di)19次??(ci)出??(chu)艙??(cang)活??(huo)動??(dong)??，這??(zhe)次??(ci)出??(chu)艙??(cang)任??(ren)務(wù)??(wu)具??(ju)有??(you)出??(chu)艙??(cang)設(shè)??(she)備??(bei)多??(duo)、設(shè)??(she)備??(bei)尺??(chi)寸??(cun)大??(da)、安??(an)裝??(zhuang)點(diǎn)??(dian)位??(wei)多?(duo)的??(de)特??(te)點(diǎn)??(dian)和?(he)難??(nan)點(diǎn)??(dian)??，天??(tian)地??(di)密??(mi)切??(qie)協(xié)?(xie)同??(tong)??，圓??(yuan)滿??(man)完??(wan)成??(cheng)了??(le)神??(shen)十??(shi)九??(jiu)乘??(cheng)組??(zu)出??(chu)艙??(cang)活??(huo)動??(dong)的??(de)收??(shou)官??(guan)任?(ren)務(wù)??(wu)??。??　　中??(zhong)國??(guo)航?(hang)天??(tian)員??(yuan)科?(ke)研??(yan)訓(xùn)??(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(guān)?(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)??。。