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學習快評丨qibao666888　　“雪??(xue)龍??(long)2”號??(hao)實??(shi)驗??(yan)室??(shi)主??(zhu)任??(ren) 夏??(xia)寅??(yin)月??(yue)：我??(wo)們??(men)到??(dao)底??(di)的??(de)深??(shen)度??(du)應??(ying)該??(gai)在??(zai)2821米??(mi)左??(zuo)右??(you)?，實??(shi)際??(ji)放?(fang)的??(de)長??(chang)度??(du)在??(zai)2840多??(duo)米??(mi)?，收??(shou)的??(de)時??(shi)候??(hou)差??(cha)不??(bu)多??(duo)也??(ye)是??(shi)在??(zai)2840米??(mi)的?(de)時??(shi)候??(hou)?，開??(kai)始??(shi)張??(zhang)力??(li)變??(bian)大??(da)??。??最??(zui)大??(da)達??(da)到??(dao)11.7噸??(dun)??。正??(zheng)常??(chang)張??(zhang)力??(li)?，應??(ying)該??(gai)在?(zai)7.4噸??(dun)左??(zuo)右??(you)???！　≡??(zai)阿??(e)蒙?(meng)森??(sen)海??(hai)進??(jin)行?(xing)重??(zhong)力??(li)柱??(zhu)取?(qu)樣??(yang)?，隊?(dui)員??(yuan)們??(men)對?(dui)這?(zhe)項??(xiang)作??(zuo)業(yè)??(ye)?，有??(you)個??(ge)很??(hen)形??(xing)象??(xiang)的??(de)說??(shuo)法??(fa)?，叫??(jiao)做??(zuo)給??(gei)地??(di)球??(qiu)“打??(da)針??(zhen)”??。??雖??(sui)說??(shuo)是??(shi)“打??(da)針??(zhen)”?，其??(qi)實??(shi)是?(shi)個??(ge)重?(zhong)型??(xing)項?(xiang)目??(mu)?，從??(cong)組??(zu)裝??(zhuang)、下??(xia)放??(fang)到??(dao)回??(hui)收??(shou)?，前??(qian)前??(qian)后??(hou)后??(hou)經(jīng)??(jing)歷??(li)了??(le)超??(chao)過??(guo)20個?(ge)小??(xiao)時??(shi)??。。