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　　其??(qi)一??(yi)??，貿(mào)??(mao)易??(yi)戰(zhàn)??(zhan)升??(sheng)級??(ji)直??(zhi)接??(jie)影??(ying)響??(xiang)全??(quan)球??(qiu)原??(yuan)油?(you)需??(xu)求??(qiu)預(yù)??(yu)期??(qi)??。??美??(mei)國??(guo)加??(jia)征??(zheng)關(guān)?(guan)稅??(shui)政??(zheng)策??(ce)將??(jiang)在??(zai)很??(hen)大??(da)程??(cheng)度?(du)上??(shang)影??(ying)響??(xiang)世??(shi)界??(jie)經(jīng)??(jing)濟(jì)??(ji)復(fù)??(fu)蘇??(su)增??(zeng)長??(chang)??，并??(bing)且??(qie)有??(you)可??(ke)能??(neng)導(dǎo)??(dao)致??(zhi)美??(mei)經(jīng)??(jing)濟(jì)??(ji)出??(chu)現(xiàn)??(xian)衰??(shuai)退??(tui)??。任??(ren)何??(he)經(jīng)??(jing)濟(jì)??(ji)增?(zeng)長??(chang)放??(fang)緩??(huan)的??(de)預(yù)??(yu)期??(qi)都??(dou)將??(jiang)導(dǎo)??(dao)致?(zhi)市??(shi)場??(chang)對??(dui)原??(yuan)油??(you)需??(xu)求??(qiu)的??(de)擔(dān)??(dan)憂??(you)加??(jia)劇??(ju)??。這??(zhe)種??(zhong)擔(dān)??(dan)憂??(you)反??(fan)映??(ying)在??(zai)國??(guo)際??(ji)油??(you)價??(jia)上??(shang)??，表??(biao)現(xiàn)??(xian)為??(wei)油??(you)價?(jia)劇??(ju)烈??(lie)波??(bo)動??(dong)??。　　其??(qi)三??(san)??，石??(shi)油??(you)輸??(shu)出??(chu)國??(guo)組??(zu)織??(zhi)(歐??(ou)佩??(pei)克??(ke))政??(zheng)策??(ce)調(diào)??(tiao)整?(zheng)存??(cun)在??(zai)較??(jiao)大??(da)變??(bian)數(shù)??(shu)??。??為??(wei)了??(le)應(yīng)??(ying)對??(dui)美??(mei)關(guān)??(guan)稅??(shui)政??(zheng)策??(ce)帶??(dai)來??(lai)的??(de)不??(bu)確??(que)定??(ding)性??(xing)??，歐??(ou)佩??(pei)克?(ke)和??(he)非??(fei)歐??(ou)佩??(pei)克??(ke)產(chǎn)??(chan)油??(you)國??(guo)也??(ye)在??(zai)積??(ji)極??(ji)謀??(mou)劃??(hua)應(yīng)??(ying)變??(bian)之??(zhi)策??(ce)??。其??(qi)中??(zhong)最??(zui)大??(da)的??(de)政??(zheng)策??(ce)變??(bian)化??(hua)就??(jiu)是??(shi)宣??(xuan)布??(bu)從??(cong)4月??(yue)起??(qi)取??(qu)消??(xiao)2019年??(nian)開??(kai)始??(shi)實??(shi)施??(shi)的??(de)每??(mei)天??(tian)220萬??(wan)桶??(tong)的??(de)減??(jian)產(chǎn)??(chan)計??(ji)劃??(hua)??，預(yù)??(yu)計??(ji)增??(zeng)加??(jia)的??(de)產(chǎn)?(chan)量??(liang)為??(wei)13.8萬??(wan)桶?(tong)／日??(ri)??。不??(bu)過??(guo)??，這??(zhe)一??(yi)重?(zhong)大??(da)變??(bian)化??(hua)“可??(ke)能??(neng)會??(hui)根??(gen)據(jù)??(ju)市??(shi)場?(chang)情??(qing)況??(kuang)暫??(zan)停??(ting)或??(huo)逆??(ni)轉(zhuǎn)??(zhuan)”??。。