雪(xue)夫蘭(lan)天石(shi)墨(mo)烯(xi)(xi)(xi)修復劑的(de)(de)(de)(de)作(zuo)(zuo)用，正常汽(qi)車(che)在行駛6萬公(gong)里(li)以(yi)后(hou)(hou)(hou)或多(duo)或少會出現油(you)(you)(you)(you)耗增大、加速有點緩慢、發(fa)動(dong)機噪音增大、甚至(zhi)(zhi)出現方向(xiang)盤(pan)有抖動(dong)的(de)(de)(de)(de)現象(xiang)，出現上(shang)(shang)述情況(kuang)(kuang)一般都是(shi)發(fa)動(dong)機缸(gang)體(ti)內油(you)(you)(you)(you)泥增多(duo)或者有積(ji)(ji)碳(tan)的(de)(de)(de)(de)情況(kuang)(kuang)，由于缸(gang)體(ti)中的(de)(de)(de)(de)活塞在往復運(yun)動(dong)中阻力增大導致的(de)(de)(de)(de)，這個時(shi)(shi)候如果添(tian)加適量的(de)(de)(de)(de)石(shi)墨(mo)烯(xi)(xi)(xi)修復劑，就能(neng)起到(dao)去除(chu)油(you)(you)(you)(you)泥和積(ji)(ji)碳(tan)，在修復劑的(de)(de)(de)(de)作(zuo)(zuo)用下還能(neng)將發(fa)動(dong)機氣缸(gang)起到(dao)修復的(de)(de)(de)(de)作(zuo)(zuo)用，從而就能(neng)達(da)到(dao)降噪、減震、節(jie)能(neng)的(de)(de)(de)(de)效果。但是(shi)有些發(fa)動(dong)機由于積(ji)(ji)碳(tan)、油(you)(you)(you)(you)泥過(guo)多(duo)的(de)(de)(de)(de)情況(kuang)(kuang)下，添(tian)加修復劑后(hou)(hou)(hou)反而導致油(you)(you)(you)(you)耗增高(gao)，或者油(you)(you)(you)(you)門不給力，甚至(zhi)(zhi)可能(neng)亮起發(fa)動(dong)機故(gu)障燈，此時(shi)(shi)不要擔(dan)心，這恰恰使(shi)得發(fa)動(dong)機缸(gang)體(ti)里(li)的(de)(de)(de)(de)油(you)(you)(you)(you)泥、積(ji)(ji)碳(tan)被清理出來后(hou)(hou)(hou)導致機油(you)(you)(you)(you)濾網堵塞后(hou)(hou)(hou)才(cai)導致的(de)(de)(de)(de)，可以(yi)繼續再行駛一段時(shi)(shi)間，等(deng)行駛過(guo)500公(gong)里(li)后(hou)(hou)(hou)再換(huan)上(shang)(shang)石(shi)墨(mo)烯(xi)(xi)(xi)潤滑油(you)(you)(you)(you)，換(huan)油(you)(you)(you)(you)后(hou)(hou)(hou)會逐漸感受車(che)輛(liang)的(de)(de)(de)(de)狀(zhuang)況(kuang)(kuang)越(yue)來越(yue)好，節(jie)能(neng)的(de)(de)(de)(de)效果也會越(yue)來越(yue)明顯。上(shang)(shang)海雪(xue)孵(fu)石(shi)墨(mo)烯(xi)(xi)(xi)科技集團(tuan)有限(xian)公(gong)司的(de)(de)(de)(de)雪(xue)夫蘭(lan)天石(shi)墨(mo)烯(xi)(xi)(xi)潤滑油(you)(you)(you)(you)才(cai)是(shi)真(zhen)正意義上(shang)(shang)的(de)(de)(de)(de)石(shi)墨(mo)烯(xi)(xi)(xi)潤滑油(you)(you)(you)(you)。杭州科霸石(shi)墨(mo)烯(xi)(xi)(xi)潤滑油(you)(you)(you)(you)

石(shi)(shi)(shi)(shi)(shi)墨烯(xi)(xi)(xi)又稱單(dan)(dan)層石(shi)(shi)(shi)(shi)(shi)墨或二(er)維石(shi)(shi)(shi)(shi)(shi)墨，是(shi)(shi)單(dan)(dan)原(yuan)子(zi)厚(hou)度的(de)二(er)維碳(tan)原(yuan)子(zi)晶體(ti)，被認(ren)為是(shi)(shi)富勒烯(xi)(xi)(xi)、碳(tan)納(na)米管和(he)石(shi)(shi)(shi)(shi)(shi)墨的(de)基本結構(gou)單(dan)(dan)元，石(shi)(shi)(shi)(shi)(shi)墨烯(xi)(xi)(xi)可(ke)以(yi)(yi)通過(guo)膨脹石(shi)(shi)(shi)(shi)(shi)墨，經(jing)過(guo)超聲剝離(li)或球(qiu)磨處(chu)理(li)來制備(bei)(bei)，其每片(pian)單(dan)(dan)層厚(hou)度一般只能(neng)達到30-100nm,難以(yi)(yi)得到單(dan)(dan)層石(shi)(shi)(shi)(shi)(shi)墨烯(xi)(xi)(xi)（約0.34nm）,并且(qie)不(bu)容(rong)易重(zhong)復操(cao)作(zuo)，所(suo)以(yi)(yi)尋求一種新的(de)、容(rong)易的(de)和(he)可(ke)以(yi)(yi)重(zhong)復操(cao)作(zuo)的(de)試驗方(fang)法是(shi)(shi)目前石(shi)(shi)(shi)(shi)(shi)墨烯(xi)(xi)(xi)研究(jiu)的(de)熱點，而(er)將(jiang)石(shi)(shi)(shi)(shi)(shi)墨氧化(hua)(hua)變成(cheng)氧化(hua)(hua)石(shi)(shi)(shi)(shi)(shi)墨，再經(jing)過(guo)超聲條(tiao)件下容(rong)易得到單(dan)(dan)層的(de)氧化(hua)(hua)石(shi)(shi)(shi)(shi)(shi)墨溶液(ye)，再經(jing)過(guo)化(hua)(hua)學還原(yuan)獲(huo)得，已成(cheng)為石(shi)(shi)(shi)(shi)(shi)墨烯(xi)(xi)(xi)制備(bei)(bei)的(de)有效(xiao)途徑(jing)，通過(guo)評述氧化(hua)(hua)石(shi)(shi)(shi)(shi)(shi)墨及(ji)氧化(hua)(hua)石(shi)(shi)(shi)(shi)(shi)墨烯(xi)(xi)(xi)的(de)制備(bei)(bei)、結構(gou)、改性及(ji)其與聚(ju)合物的(de)復合，展(zhan)望了(le)石(shi)(shi)(shi)(shi)(shi)墨烯(xi)(xi)(xi)及(ji)其復合材料的(de)研究(jiu)前景。無錫烯(xi)(xi)(xi)潤(run)(run)石(shi)(shi)(shi)(shi)(shi)墨烯(xi)(xi)(xi)潤(run)(run)滑(hua)油不(bu)好一般假冒油品有三類：一是(shi)(shi)采用回收的(de)廢(fei)油經(jing)處(chu)理(li)后(hou)灌(guan)裝上市；

司(si)機(ji)(ji)選擇油(you)(you)(you)品(pin)(pin)時(shi)會看看油(you)(you)(you)的(de)(de)(de)(de)外(wai)(wai)觀(guan)，不(bu)(bu)(bu)少人(ren)(ren)認(ren)為(wei)淺(qian)色(se)(se)透明的(de)(de)(de)(de)機(ji)(ji)油(you)(you)(you)比深色(se)(se)油(you)(you)(you)好。機(ji)(ji)油(you)(you)(you)的(de)(de)(de)(de)顏色(se)(se)并不(bu)(bu)(bu)是(shi)選擇機(ji)(ji)油(you)(you)(you)的(de)(de)(de)(de)主要依據，不(bu)(bu)(bu)能一概(gai)而(er)論以深色(se)(se)或淺(qian)色(se)(se)而(er)定油(you)(you)(you)質。因為(wei)不(bu)(bu)(bu)同(tong)(tong)(tong)的(de)(de)(de)(de)原(yuan)料生產(chan)出來的(de)(de)(de)(de)產(chan)品(pin)(pin)顏色(se)(se)不(bu)(bu)(bu)同(tong)(tong)(tong)，即(ji)使(shi)(shi)同(tong)(tong)(tong)一配方生產(chan)出來的(de)(de)(de)(de)產(chan)品(pin)(pin)不(bu)(bu)(bu)同(tong)(tong)(tong)批(pi)次間油(you)(you)(you)品(pin)(pin)的(de)(de)(de)(de)顏色(se)(se)也(ye)不(bu)(bu)(bu)可能完(wan)全相同(tong)(tong)(tong)，以油(you)(you)(you)的(de)(de)(de)(de)顏色(se)(se)深淺(qian)來判(pan)斷機(ji)(ji)油(you)(you)(you)的(de)(de)(de)(de)品(pin)(pin)質是(shi)不(bu)(bu)(bu)科學的(de)(de)(de)(de)。應(ying)以機(ji)(ji)油(you)(you)(you)的(de)(de)(de)(de)性能級別(bie)指標來判(pan)定。過去(qu)機(ji)(ji)油(you)(you)(you)調合(he)經常采用(yong)輕脫(tuo)(tuo)油(you)(you)(you)，生產(chan)出的(de)(de)(de)(de)油(you)(you)(you)品(pin)(pin)都是(shi)一些(xie)(xie)低(di)檔油(you)(you)(you)，很多人(ren)(ren)認(ren)為(wei)帶(dai)點綠光的(de)(de)(de)(de)油(you)(you)(you)是(shi)好油(you)(you)(you)，其實(shi)是(shi)輕脫(tuo)(tuo)油(you)(you)(you)調成的(de)(de)(de)(de)低(di)檔油(you)(you)(you)，現在由于(yu)原(yuan)材料漲(zhang)價，有(you)些(xie)(xie)調合(he)廠偷工減料或有(you)些(xie)(xie)廠生產(chan)冒牌產(chan)品(pin)(pin)，有(you)可能只用(yong)基礎油(you)(you)(you)調合(he)達到一定的(de)(de)(de)(de)粘度后出廠，根本(ben)不(bu)(bu)(bu)加添(tian)加劑，這些(xie)(xie)油(you)(you)(you)外(wai)(wai)觀(guan)看來色(se)(se)淺(qian)清亮(liang)，其實(shi)是(shi)不(bu)(bu)(bu)上檔次的(de)(de)(de)(de)油(you)(you)(you)，因此購買(mai)及使(shi)(shi)用(yong)機(ji)(ji)油(you)(you)(you)時(shi)一定要注意。

車(che)輛(liang)出現(xian)亮(liang)紅(hong)燈現(xian)象后，司(si)機(ji)常(chang)(chang)常(chang)(chang)懷疑機(ji)油(you)(you)(you)(you)(you)(you)油(you)(you)(you)(you)(you)(you)質(zhi)問題，提出檢(jian)(jian)驗(yan)(yan)油(you)(you)(you)(you)(you)(you)質(zhi)要求，對(dui)于機(ji)油(you)(you)(you)(you)(you)(you)油(you)(you)(you)(you)(you)(you)質(zhi)，如(ru)(ru)何去檢(jian)(jian)驗(yan)(yan)確認，應(ying)檢(jian)(jian)驗(yan)(yan)哪些(xie)指標(biao)(biao)(biao)呢？一(yi)(yi)般對(dui)油(you)(you)(you)(you)(you)(you)質(zhi)進(jin)行檢(jian)(jian)驗(yan)(yan)，分兩(liang)個(ge)(ge)步(bu)驟，先(xian)檢(jian)(jian)驗(yan)(yan)同批(pi)次(ci)新(xin)油(you)(you)(you)(you)(you)(you)，然后再(zai)檢(jian)(jian)驗(yan)(yan)用后廢(fei)油(you)(you)(you)(you)(you)(you)。因此(ci)處(chu)理此(ci)類事故，應(ying)該(gai)同批(pi)次(ci)新(xin)油(you)(you)(you)(you)(you)(you)及用后廢(fei)油(you)(you)(you)(you)(you)(you)均需留樣備查。新(xin)油(you)(you)(you)(you)(you)(you)送檢(jian)(jian)指標(biao)(biao)(biao)有(you)100℃運(yun)動(dong)(dong)粘(zhan)度(du)(du)(du)、閃(shan)點(dian)(dian)(dian)、剪切(qie)穩定性(xing)（SSI）、蒸發損(sun)失值及抗泡(pao)性(xing)能(neng)。若是劣質(zhi)油(you)(you)(you)(you)(you)(you)，有(you)可能(neng)100℃粘(zhan)度(du)(du)(du)達(da)(da)不(bu)(bu)到標(biao)(biao)(biao)準要求，或(huo)多級油(you)(you)(you)(you)(you)(you)SSI值偏(pian)大(da)(da)，抗剪切(qie)性(xing)能(neng)差(cha)(cha)，或(huo)蒸發損(sun)失大(da)(da)，或(huo)抗泡(pao)性(xing)能(neng)不(bu)(bu)達(da)(da)標(biao)(biao)(biao)，這些(xie)指標(biao)(biao)(biao)某項(xiang)不(bu)(bu)達(da)(da)標(biao)(biao)(biao)，都有(you)可能(neng)導(dao)致亮(liang)紅(hong)燈。廢(fei)油(you)(you)(you)(you)(you)(you)送檢(jian)(jian)指標(biao)(biao)(biao)有(you)：含燃(ran)油(you)(you)(you)(you)(you)(you)量、閃(shan)點(dian)(dian)(dian)、水分、100℃運(yun)動(dong)(dong)粘(zhan)度(du)(du)(du)、雜(za)質(zhi)含量。結果(guo)分析：如(ru)(ru)果(guo)送檢(jian)(jian)新(xin)油(you)(you)(you)(you)(you)(you)合格，而廢(fei)油(you)(you)(you)(you)(you)(you)閃(shan)點(dian)(dian)(dian)比新(xin)油(you)(you)(you)(you)(you)(you)大(da)(da)幅(fu)度(du)(du)(du)降(jiang)低，含燃(ran)油(you)(you)(you)(you)(you)(you)量大(da)(da)，有(you)水分，或(huo)100℃運(yun)動(dong)(dong)粘(zhan)度(du)(du)(du)大(da)(da)幅(fu)度(du)(du)(du)降(jiang)低，分散性(xing)差(cha)(cha)，雜(za)質(zhi)含量高，都有(you)可能(neng)是車(che)況不(bu)(bu)好，密封(feng)性(xing)差(cha)(cha)，燃(ran)油(you)(you)(you)(you)(you)(you)竄(cuan)(cuan)入曲(qu)軸(zhou)箱稀(xi)釋機(ji)油(you)(you)(you)(you)(you)(you)導(dao)致亮(liang)紅(hong)燈。此(ci)時(shi)應(ying)選用粘(zhan)度(du)(du)(du)大(da)(da)的機(ji)油(you)(you)(you)(you)(you)(you)加強密封(feng)性(xing)或(huo)者檢(jian)(jian)修發動(dong)(dong)機(ji)系(xi)統，并(bing)非機(ji)油(you)(you)(you)(you)(you)(you)油(you)(you)(you)(you)(you)(you)質(zhi)問題。如(ru)(ru)果(guo)新(xin)油(you)(you)(you)(you)(you)(you)合格，廢(fei)油(you)(you)(you)(you)(you)(you)閃(shan)點(dian)(dian)(dian)正常(chang)(chang)，燃(ran)油(you)(you)(you)(you)(you)(you)含量不(bu)(bu)大(da)(da)，100℃粘(zhan)度(du)(du)(du)大(da)(da)幅(fu)度(du)(du)(du)上升，雜(za)質(zhi)含量高，可考(kao)慮是竄(cuan)(cuan)燒機(ji)油(you)(you)(you)(you)(you)(you)，機(ji)油(you)(you)(you)(you)(you)(you)量不(bu)(bu)足(zu)，或(huo)者是選用了低級別(bie)機(ji)油(you)(you)(you)(you)(you)(you)所致。此(ci)時(shi)應(ying)選用高一(yi)(yi)點(dian)(dian)(dian)級別(bie)的機(ji)油(you)(you)(you)(you)(you)(you)，并(bing)在(zai)平(ping)時(shi)注意檢(jian)(jian)查機(ji)油(you)(you)(you)(you)(you)(you)量，注意車(che)輛(liang)保養。在(zai)壓力系(xi)統中(zhong)，由(you)機(ji)油(you)(you)(you)(you)(you)(you)泵來的潤滑油(you)(you)(you)(you)(you)(you)通過一(yi)(yi)個(ge)(ge)濾清(qing)器，然后進(jin)入一(yi)(yi)個(ge)(ge)油(you)(you)(you)(you)(you)(you)管(guan)（或(huo)一(yi)(yi)個(ge)(ge)鉆孔(kong)的集油(you)(you)(you)(you)(you)(you)頭、油(you)(you)(you)(you)(you)(you)槽或(huo)油(you)(you)(you)(you)(you)(you)道）。

石墨(mo)烯(xi)（Graphene）是一(yi)種(zhong)以(yi)sp2雜化(hua)(hua)(hua)連(lian)接的(de)(de)碳原(yuan)子(zi)緊密堆積成(cheng)(cheng)單(dan)層(ceng)二(er)維蜂窩狀晶(jing)格結構的(de)(de)新材料(liao)，石墨(mo)烯(xi)具(ju)有優異的(de)(de)光學(xue)(xue)(xue)、電學(xue)(xue)(xue)、力學(xue)(xue)(xue)特性，在材料(liao)學(xue)(xue)(xue)、微納(na)加工、能源、生(sheng)物醫學(xue)(xue)(xue)和藥物傳遞等方(fang)面具(ju)有重要的(de)(de)應用(yong)前景，被認為是一(yi)種(zhong)未(wei)來科技性的(de)(de)材料(liao)。英國曼徹斯(si)(si)特大學(xue)(xue)(xue)物理學(xue)(xue)(xue)家安(an)德烈·蓋姆和康斯(si)(si)坦丁·諾沃肖洛夫，用(yong)微機械(xie)剝(bo)離法成(cheng)(cheng)功從石墨(mo)中分離出石墨(mo)烯(xi)，因此共同(tong)獲(huo)得2010年諾貝爾(er)物理學(xue)(xue)(xue)獎。石墨(mo)烯(xi)常見的(de)(de)粉體生(sheng)產(chan)的(de)(de)方(fang)法為機械(xie)剝(bo)離法、氧(yang)化(hua)(hua)(hua)還(huan)原(yuan)法、SiC外延生(sheng)長法，薄膜生(sheng)產(chan)方(fang)法為化(hua)(hua)(hua)學(xue)(xue)(xue)氣(qi)相沉積法（CVD）。三是購買低檔油(you)灌裝(zhuang)，以(yi)次充好。無錫(xi)石墨(mo)烯(xi)潤滑油(you)市場

若是劣質油(you)，有可能100℃粘(zhan)度達不(bu)到標準要(yao)求，或多(duo)級油(you)SSI值(zhi)偏大，抗剪切性能差，或蒸發(fa)損失大；杭州(zhou)科(ke)霸石墨烯潤滑油(you)

很(hen)多(duo)用(yong)戶(hu)認(ren)為(wei)出現這種情況是因為(wei)機(ji)(ji)油(you)(you)(you)太稀的(de)緣故(gu)(gu)，其實不(bu)(bu)(bu)然，有(you)可能(neng)是機(ji)(ji)油(you)(you)(you)選(xuan)(xuan)用(yong)不(bu)(bu)(bu)當(dang)引起。就機(ji)(ji)油(you)(you)(you)本(ben)身來說(shuo)，其含低粘組分(fen)越多(duo)越易(yi)揮(hui)發(fa)，如15W-40、15W-30、10W-30、5W-30等油(you)(you)(you)比不(bu)(bu)(bu)帶(dai)W的(de)油(you)(you)(you)在同(tong)一條件下易(yi)揮(hui)發(fa)，故(gu)(gu)選(xuan)(xuan)用(yong)時應注意(yi)，夏季南方(fang)地區的(de)用(yong)戶(hu)選(xuan)(xuan)用(yong)含用(yong)高粘組分(fen)較多(duo)的(de)20W-50、40、50等機(ji)(ji)油(you)(you)(you)，以減(jian)少短油(you)(you)(you)現象。若(ruo)油(you)(you)(you)品(pin)選(xuan)(xuan)擇沒問題，則檢查機(ji)(ji)械(xie)原因，有(you)可能(neng)是漏油(you)(you)(you)或(huo)竄燒(shao)機(ji)(ji)油(you)(you)(you)所至。機(ji)(ji)油(you)(you)(you)不(bu)(bu)(bu)可能(neng)自己(ji)消失，它不(bu)(bu)(bu)是酒精(jing)，不(bu)(bu)(bu)可能(neng)那么輕易(yi)揮(hui)發(fa)，短油(you)(you)(you)現象與油(you)(you)(you)質好壞關系(xi)不(bu)(bu)(bu)大(da)，主要是選(xuan)(xuan)用(yong)不(bu)(bu)(bu)當(dang)或(huo)機(ji)(ji)械(xie)故(gu)(gu)障(zhang)的(de)原因。杭州科(ke)霸石墨烯潤滑油(you)(you)(you)

寧波雪夫(fu)石(shi)墨(mo)烯科(ke)技有限公(gong)(gong)司成(cheng)立于2022-12-05，是(shi)一家專(zhuan)注于石(shi)墨(mo)烯潤(run)滑油(you)(you)(you)(you)(you)(you)(you)，車(che)用(yong)油(you)(you)(you)(you)(you)(you)(you)，船(chuan)舶用(yong)油(you)(you)(you)(you)(you)(you)(you)，工(gong)業(ye)(ye)用(yong)油(you)(you)(you)(you)(you)(you)(you)的(de)(de)高新(xin)技術(shu)(shu)(shu)企業(ye)(ye)，公(gong)(gong)司位于小港街道(dao)普順路(lu)26號1幢16層(ceng)16-54。公(gong)(gong)司經(jing)常(chang)與(yu)行(xing)業(ye)(ye)內技術(shu)(shu)(shu)專(zhuan)家交流學(xue)習，研(yan)發出更好(hao)的(de)(de)產品給用(yong)戶(hu)(hu)使用(yong)。公(gong)(gong)司主要經(jing)營(ying)石(shi)墨(mo)烯潤(run)滑油(you)(you)(you)(you)(you)(you)(you)，車(che)用(yong)油(you)(you)(you)(you)(you)(you)(you)，船(chuan)舶用(yong)油(you)(you)(you)(you)(you)(you)(you)，工(gong)業(ye)(ye)用(yong)油(you)(you)(you)(you)(you)(you)(you)，公(gong)(gong)司與(yu)石(shi)墨(mo)烯潤(run)滑油(you)(you)(you)(you)(you)(you)(you)，車(che)用(yong)油(you)(you)(you)(you)(you)(you)(you)，船(chuan)舶用(yong)油(you)(you)(you)(you)(you)(you)(you)，工(gong)業(ye)(ye)用(yong)**業(ye)(ye)內多(duo)家研(yan)究中心、機(ji)構保持(chi)合作(zuo)關系，共(gong)同(tong)交流、探討技術(shu)(shu)(shu)更新(xin)。通過(guo)科(ke)學(xue)管理(li)、產品研(yan)發來(lai)(lai)提高公(gong)(gong)司競爭(zheng)力。公(gong)(gong)司秉承以人(ren)為(wei)本(ben)，科(ke)技創(chuang)新(xin)，市場先(xian)導，和諧共(gong)贏(ying)的(de)(de)理(li)念，建立一支由(you)(you)石(shi)墨(mo)烯潤(run)滑油(you)(you)(you)(you)(you)(you)(you)，車(che)用(yong)油(you)(you)(you)(you)(you)(you)(you)，船(chuan)舶用(yong)油(you)(you)(you)(you)(you)(you)(you)，工(gong)業(ye)(ye)用(yong)油(you)(you)(you)(you)(you)(you)(you)專(zhuan)家組成(cheng)的(de)(de)顧問團隊(dui)，由(you)(you)經(jing)驗豐(feng)富的(de)(de)技術(shu)(shu)(shu)人(ren)員組成(cheng)的(de)(de)研(yan)發和應用(yong)團隊(dui)。寧波雪夫(fu)石(shi)墨(mo)烯科(ke)技有限公(gong)(gong)司依托多(duo)年來(lai)(lai)完(wan)(wan)善的(de)(de)服務(wu)經(jing)驗、良(liang)好(hao)的(de)(de)服務(wu)隊(dui)伍(wu)、完(wan)(wan)善的(de)(de)服務(wu)網絡和強(qiang)大的(de)(de)合作(zuo)伙伴，目前已經(jing)得到能源行(xing)業(ye)(ye)內客(ke)戶(hu)(hu)認可和支持(chi)，并贏(ying)得長期合作(zuo)伙伴的(de)(de)信賴(lai)。

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