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學習快評丨qibao666888　　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??(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))　　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??(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)無祝(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))。