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學習快評丨qibao666888　　中??(zhong)新??(xin)社??(she)西??(xi)寧??(ning)3月??(yue)24日??(ri)電??(dian) (祁??(qi)增??(zeng)蓓??(bei) 韋??(wei)鵬??(peng)程??(cheng))記??(ji)者??(zhe)從??(cong)中??(zhong)國??(guo)鐵??(tie)路?(lu)青??(qing)藏??(zang)集??(ji)團??(tuan)有??(you)限??(xian)公??(gong)司??(si)(下??(xia)稱??(cheng)：青??(qing)藏?(zang)集??(ji)團??(tuan)公??(gong)司??(si))獲??(huo)悉??(xi)??，自??(zi)3月??(yue)22日??(ri)起??(qi)??，敦??(dun)煌??(huang)鐵??(tie)路??(lu)(青??(qing)海?(hai)段??(duan))開??(kai)啟??(qi)首??(shou)次??(ci)大??(da)規(guī)??(gui)模??(mo)維??(wei)修??(xiu)升?(sheng)級??(ji)作??(zuo)業(yè)??(ye)??，預??(yu)計??(ji)5月??(yue)11日?(ri)完??(wan)成??(cheng)全??(quan)部??(bu)施??(shi)工??(gong)任??(ren)務(wù)??(wu)??。??　　青??(qing)藏??(zang)集??(ji)團??(tuan)公??(gong)司??(si)德??(de)令??(ling)哈??(ha)工??(gong)務(wù)?(wu)段??(duan)段??(duan)長??(chang)張??(zhang)東??(dong)亮??(liang)介??(jie)紹??(shao)??，敦??(dun)煌?(huang)鐵??(tie)路??(lu)(青??(qing)海??(hai)段??(duan))開??(kai)通??(tong)以??(yi)來??(lai)??，每??(mei)年??(nian)都??(dou)會??(hui)定?(ding)期??(qi)進??(jin)行??(xing)常??(chang)規(guī)??(gui)養(yǎng)??(yang)護?(hu)??，但?(dan)受??(shou)制??(zhi)于??(yu)高??(gao)原??(yuan)作?(zuo)業(yè)??(ye)窗?(chuang)口??(kou)期??(qi)短??(duan)、技??(ji)術(shù)??(shu)力??(li)量?(liang)分??(fen)散??(san)等??(deng)因??(yin)素??(su)??，過??(guo)往??(wang)維?(wei)護??(hu)多?(duo)采??(cai)取?(qu)“分??(fen)段??(duan)小??(xiao)補??(bu)”模??(mo)式??(shi)??，而??(er)此??(ci)次?(ci)大??(da)規(guī)??(gui)模??(mo)維秘(wei)修??(xiu)涵??(han)蓋??(gai)65.836公??(gong)里??(li)大?(da)機??(ji)線??(xian)路??(lu)清??(qing)篩??(shai)、28組??(zu)道??(dao)岔??(cha)清??(qing)篩?(shai)、6組??(zu)道?(dao)岔??(cha)拆??(chai)除??(chu)以??(yi)及??(ji)4.738公??(gong)里??(li)股??(gu)道??(dao)無?(wu)縫??(feng)化??(hua)整??(zheng)治??(zhi)等??(deng)任?(ren)務(wù)??(wu)??，屬??(shu)于?(yu)系??(xi)統(tǒng)?(tong)性??(xing)升??(sheng)級?(ji)工?(gong)程?(cheng)??。??(完??(wan))。