密(mi)(mi)封(feng)(feng)(feng)(feng)圈(quan)安(an)(an)(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)前(qian)，請遵守以下要點：1.保證活(huo)塞桿(gan)有引(yin)入倒角(jiao)(jiao)；如(ru)果(guo)沒有，請使(shi)用(yong)(yong)安(an)(an)(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)套。2.去毛刺并(bing)倒角(jiao)(jiao)或倒圓銳邊；罩住螺(luo)(luo)栓的(de)(de)螺(luo)(luo)紋端部防(fang)止被劃傷(shang)。3.去除加工的(de)(de)剩(sheng)余物(wu)，如(ru)灰塵、碎屑和(he)(he)(he)其(qi)他外界顆粒，并(bing)清洗所有零件(jian)。4.如(ru)果(guo)活(huo)塞桿(gan)和(he)(he)(he)密(mi)(mi)封(feng)(feng)(feng)(feng)圈(quan)涂(tu)油(you)脂或涂(tu)油(you)，安(an)(an)(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)起來更容(rong)易.一定要注(zhu)意密(mi)(mi)封(feng)(feng)(feng)(feng)材料與(yu)這些潤滑劑(ji)(ji)之間的(de)(de)相容(rong)性(xing).請使(shi)用(yong)(yong)不(bu)含固體添加劑(ji)(ji)(例如(ru)二硫化(hua)鉬(mu)或硫化(hua)鋅)的(de)(de)潤滑油(you)。5.使(shi)用(yong)(yong)非銳邊的(de)(de)安(an)(an)(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)工具(ju)，分體式溝(gou)槽(cao)中(zhong)的(de)(de)安(an)(an)(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)。6.在開(kai)放(fang)式溝(gou)槽(cao)中(zhong)安(an)(an)(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)密(mi)(mi)封(feng)(feng)(feng)(feng)圈(quan)沒有問題.安(an)(an)(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)順序應與(yu)密(mi)(mi)封(feng)(feng)(feng)(feng)件(jian)的(de)(de)配置(zhi)一致。因此，請注(zhu)意每個密(mi)(mi)封(feng)(feng)(feng)(feng)件(jian)安(an)(an)(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)到(dao)溝(gou)槽(cao)后不(bu)允許(xu)存在扭轉。安(an)(an)(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)期間(即將活(huo)塞桿(gan)放(fang)到(dao)密(mi)(mi)封(feng)(feng)(feng)(feng)圈(quan)前(qian))，彈(dan)性(xing)體施力或彈(dan)簧(huang)施力的(de)(de)密(mi)(mi)封(feng)(feng)(feng)(feng)件(jian)一定要作(zuo)復原(yuan)處理。使(shi)用(yong)(yong)具(ju)有較長導柱的(de)(de)活(huo)塞桿(gan)或使(shi)用(yong)(yong)安(an)(an)(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)導套時，也有整(zheng)平(ping)功能。密(mi)(mi)封(feng)(feng)(feng)(feng)環(huan)是動環(huan)和(he)(he)(he)靜環(huan)的(de)(de)總稱，是構成機械密(mi)(mi)封(feng)(feng)(feng)(feng)較主要的(de)(de)元件(jian)。減速機密(mi)(mi)封(feng)(feng)(feng)(feng)

機(ji)(ji)械(xie)密(mi)封(feng)啟(qi)動前的(de)(de)(de)準備工(gong)作：1、仔細的(de)(de)(de)檢查(cha)(cha)(cha)機(ji)(ji)械(xie)密(mi)封(feng)，以(yi)及(ji)附屬裝(zhuang)置和管線安裝(zhuang)是(shi)(shi)否(fou)(fou)齊全，是(shi)(shi)否(fou)(fou)符(fu)合技術要求。2、機(ji)(ji)械(xie)密(mi)封(feng)啟(qi)動之(zhi)前要進(jin)行靜壓試驗，仔細的(de)(de)(de)檢查(cha)(cha)(cha)機(ji)(ji)械(xie)密(mi)封(feng)是(shi)(shi)否(fou)(fou)有泄(xie)(xie)漏的(de)(de)(de)現象。如果(guo)(guo)泄(xie)(xie)漏的(de)(de)(de)比較多，應該查(cha)(cha)(cha)清泄(xie)(xie)漏的(de)(de)(de)原(yuan)因并(bing)且(qie)要設法消除(chu)。如果(guo)(guo)任然(ran)沒有效果(guo)(guo)，則應該拆卸檢查(cha)(cha)(cha)并(bing)且(qie)重新安裝(zhuang)。一般(ban)的(de)(de)(de)靜壓試驗壓力(li)用2~3公斤/平(ping)方(fang)厘米。3、按泵旋(xuan)向盤車(che)，檢查(cha)(cha)(cha)是(shi)(shi)否(fou)(fou)輕快(kuai)均勻。如果(guo)(guo)遇(yu)到盤車(che)吃力(li)或者不動的(de)(de)(de)情況時，則應該檢查(cha)(cha)(cha)裝(zhuang)配(pei)尺寸是(shi)(shi)否(fou)(fou)錯誤，安裝(zhuang)是(shi)(shi)否(fou)(fou)合理(li)。美(mei)國garlock密(mi)封(feng)機(ji)(ji)械(xie)密(mi)封(feng)啟(qi)動前必須盤車(che)，以(yi)防止突然(ran)啟(qi)動而造成的(de)(de)(de)軟環(huan)碎裂。

密封(feng)件(jian)(jian)(jian)使(shi)用在(zai)溫(wen)(wen)度過(guo)(guo)高(gao)的工況，密封(feng)材料被(bei)(bei)碳(tan)化。低(di)溫(wen)(wen)導(dao)致(zhi)密封(feng)材料硬(ying)化、收縮(suo)引(yin)(yin)起(qi)泄(xie)(xie)(xie)漏。使(shi)用線速(su)度過(guo)(guo)高(gao)，導(dao)致(zhi)密封(feng)件(jian)(jian)(jian)發熱(re)、干磨(mo)(mo)、碳(tan)化形成(cheng)泄(xie)(xie)(xie)漏。使(shi)用工況潤滑不(bu)良導(dao)致(zhi)密封(feng)件(jian)(jian)(jian)磨(mo)(mo)損形成(cheng)泄(xie)(xie)(xie)漏。使(shi)用的腔體(ti)受到振動引(yin)(yin)起(qi)泄(xie)(xie)(xie)漏。因粉塵引(yin)(yin)起(qi)密封(feng)件(jian)(jian)(jian)磨(mo)(mo)損造成(cheng)泄(xie)(xie)(xie)漏。密封(feng)件(jian)(jian)(jian)硬(ying)度過(guo)(guo)高(gao)，不(bu)能(neng)把金屬溝槽完(wan)全填充(chong)引(yin)(yin)起(qi)泄(xie)(xie)(xie)漏。密封(feng)件(jian)(jian)(jian)的尺寸與金屬溝槽不(bu)符(fu)引(yin)(yin)起(qi)泄(xie)(xie)(xie)漏。1選用存放時(shi)間(jian)過(guo)(guo)長、老化的密封(feng)件(jian)(jian)(jian)引(yin)(yin)起(qi)泄(xie)(xie)(xie)漏。密封(feng)圈是一(yi)種應用在(zai)很多設備(bei)里的配件(jian)(jian)(jian)，而密封(feng)圈里只有耐高(gao)溫(wen)(wen)超過(guo)(guo)120℃的才可以稱做耐高(gao)溫(wen)(wen)密封(feng)圈。密封(feng)材料和介(jie)質相溶(rong)，密封(feng)件(jian)(jian)(jian)被(bei)(bei)軟(ruan)化或溶(rong)解。

密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)件(jian)(jian)(jian)是(shi)防止(zhi)流體或固體微粒(li)從相鄰(lin)結合面間泄漏以(yi)及(ji)防止(zhi)外(wai)界雜質(zhi)如灰塵(chen)(chen)與(yu)水(shui)分(fen)等(deng)(deng)侵(qin)入機(ji)(ji)器設備內(nei)部的(de)零(ling)部件(jian)(jian)(jian)的(de)材料(liao)或零(ling)件(jian)(jian)(jian)。密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)件(jian)(jian)(jian)的(de)存(cun)放室溫盡(jin)量(liang)在(zai)30℃以(yi)下，避(bi)(bi)免(mian)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)件(jian)(jian)(jian)產(chan)生(sheng)高(gao)溫老化。按作用(yong)分(fen)類：分(fen)為軸用(yong)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)、孔用(yong)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)、防塵(chen)(chen)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)、導向環、固定密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)、回轉密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)；2.按材料(liao)分(fen)類：分(fen)為丁氰(qing)橡膠(jiao)(jiao)、三元乙丙(bing)橡膠(jiao)(jiao)、氟(fu)橡膠(jiao)(jiao)、硅膠(jiao)(jiao)、氟(fu)硅橡膠(jiao)(jiao)、尼(ni)龍、聚氨酯、工程(cheng)塑料(liao)等(deng)(deng)。密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)件(jian)(jian)(jian)的(de)貯存(cun)1.密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)件(jian)(jian)(jian)的(de)存(cun)放室溫盡(jin)量(liang)在(zai)30℃以(yi)下，避(bi)(bi)免(mian)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)件(jian)(jian)(jian)產(chan)生(sheng)高(gao)溫老化；2.密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)件(jian)(jian)(jian)必須存(cun)放在(zai)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)包裝內(nei)，避(bi)(bi)免(mian)和空(kong)氣中(zhong)的(de)水(shui)分(fen)或塵(chen)(chen)埃(ai)接觸；3.密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)件(jian)(jian)(jian)必須避(bi)(bi)開強光照射，避(bi)(bi)免(mian)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)件(jian)(jian)(jian)被空(kong)氣中(zhong)臭氧侵(qin)蝕(shi)或提早老化。各種密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)其性(xing)能(neng)影(ying)響(xiang)因素是(shi)不同的(de)，如機(ji)(ji)械密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)（填(tian)(tian)料(liao)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)等(deng)(deng)）影(ying)響(xiang)因素有溫度、介質(zhi)、磨損(sun)、所承受壓力等(deng)(deng)。機(ji)(ji)械密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)的(de)的(de)摩(mo)擦功率小，只為軟填(tian)(tian)料(liao)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)的(de)10%～50%。

汽(qi)(qi)車(che)（密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈）的(de)(de)運(yun)用全(quan)過(guo)程(cheng)，通(tong)常(chang)(chang)會發(fa)生漏油常(chang)(chang)見故(gu)障，它將同時危(wei)害到汽(qi)(qi)車(che)的(de)(de)工藝特(te)性(xing)(xing)，造成(cheng)潤滑脂(zhi)(zhi)、汽(qi)(qi)柴油的(de)(de)消(xiao)耗(hao)，耗(hao)費驅動力，危(wei)害內(nei)部(bu)干凈整(zheng)潔，導致(zhi)空氣(qi)污(wu)染。因為漏油潤滑脂(zhi)(zhi)降低(di)，設(she)備(bei)內(nei)部(bu)潤化(hua)、油封(feng)(feng)(feng)(feng)(feng)零(ling)(ling)件(jian)毀壞(huai)，造成(cheng)留有“癥結難題(ti)”。普遍汽(qi)(qi)車(che)機械密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)（密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈）漏油關(guan)鍵的(de)(de)歸根(gen)原因是(shi)(shi)什(shen)么？1、商品(pin)零(ling)(ling)配(pei)件(jian)/密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈品(pin)質總體設(she)計存在的(de)(de)問題(ti)；2、安裝(zhuang)快速不合(he)理；3、潤滑脂(zhi)(zhi)過(guo)少(shao)或太多；4、螺帽擰力不均勻；5、密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈零(ling)(ling)配(pei)件(jian)緊密(mi)(mi)(mi)(mi)(mi)(mi)連接表(biao)面(mian)拉伸應變(bian)形變(bian)；6、密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈表(biao)面(mian)損壞(huai)時間太長，原材料脆化(hua)、形變(bian)無效；7、通(tong)風(feng)管、閥處(chu)阻塞，造成(cheng)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)性(xing)(xing)欠缺(que)處(chu)漏油。如(ru)何提高防(fang)止汽(qi)(qi)車(che)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)性(xing)(xing)常(chang)(chang)見故(gu)障因素及(ji)(ji)漏油對策？扭緊螺帽并(bing)擰緊；立(li)即(ji)拆換密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈液壓密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)件(jian)及(ji)(ji)老零(ling)(ling)配(pei)件(jian)；防(fang)止本(ben)產品(pin)、通(tong)閥門堵住(zhu)；妥善處(chu)理各種(zhong)高壓軟管密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)性(xing)(xing)；防(fang)止輪圈甩油；查驗(yan)潤滑脂(zhi)(zhi)品(pin)質是(shi)(shi)不是(shi)(shi)適度(du)。機械密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)件(jian)是(shi)(shi)各種(zhong)機械密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)件(jian)泵類、反應合(he)成(cheng)釜、透平壓縮機以及(ji)(ji)潛(qian)水電機等(deng)設(she)備(bei)的(de)(de)關(guan)鍵部(bu)件(jian)。組合(he)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)

啟動前(qian)要仔細的檢查機(ji)械密封，以及(ji)附(fu)屬(shu)裝置(zhi)和(he)管線安裝是(shi)否齊全，是(shi)否符合技術要求。減速機(ji)密封

密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)材(cai)(cai)料的(de)(de)(de)選(xuan)擇(ze)對(dui)其密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)性能(neng)和(he)使(shi)用(yong)壽命(ming)(ming)有著重要(yao)(yao)意義。材(cai)(cai)料的(de)(de)(de)性能(neng)直接(jie)影(ying)響(xiang)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)的(de)(de)(de)使(shi)用(yong)性能(neng)。.密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)抗腐蝕(shi)能(neng)力強，不(bu)(bu)易老化、工(gong)作壽命(ming)(ming)長(chang)，耐磨性好，磨損后(hou)在一定程度(du)(du)上(shang)能(neng)自動(dong)補(bu)償。1、結構(gou)簡單(dan)，使(shi)用(yong)、維(wei)護方便，使(shi)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)有更長(chang)的(de)(de)(de)壽命(ming)(ming)。2、機(ji)械運動(dong)速(su)度(du)(du)。密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)件的(de)(de)(de)材(cai)(cai)質(zhi)(zhi)(zhi)對(dui)于機(ji)械運動(dong)速(su)度(du)(du)的(de)(de)(de)適(shi)應(ying)能(neng)力是不(bu)(bu)一樣的(de)(de)(de)，一些(xie)普通的(de)(de)(de)材(cai)(cai)料，就不(bu)(bu)能(neng)適(shi)應(ying)高速(su)的(de)(de)(de)機(ji)械運轉(zhuan)，因此，密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)材(cai)(cai)質(zhi)(zhi)(zhi)選(xuan)擇(ze)時，要(yao)(yao)選(xuan)擇(ze)比較好的(de)(de)(de)，這樣才能(neng)使(shi)用(yong)高速(su)度(du)(du)的(de)(de)(de)運轉(zhuan)。3、介質(zhi)(zhi)(zhi)相容(rong)性。這個對(dui)于密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)材(cai)(cai)料的(de)(de)(de)選(xuan)擇(ze)具有非(fei)常(chang)重要(yao)(yao)的(de)(de)(de)作用(yong)，有的(de)(de)(de)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)材(cai)(cai)質(zhi)(zhi)(zhi)會和(he)介質(zhi)(zhi)(zhi)直接(jie)進行(xing)接(jie)觸，如(ru)(ru)果(guo)兩者的(de)(de)(de)相容(rong)性不(bu)(bu)好的(de)(de)(de)話，勢必對(dui)導致密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)受(shou)(shou)損或者還是污染到介質(zhi)(zhi)(zhi)。另外，密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)的(de)(de)(de)材(cai)(cai)質(zhi)(zhi)(zhi)不(bu)(bu)能(neng)被介紹腐蝕(shi)掉，也不(bu)(bu)能(neng)和(he)介質(zhi)(zhi)(zhi)發生化學反應(ying)。4、壓(ya)(ya)力。密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)材(cai)(cai)質(zhi)(zhi)(zhi)對(dui)于工(gong)作的(de)(de)(de)壓(ya)(ya)力也是非(fei)常(chang)的(de)(de)(de)敏(min)感(gan)的(de)(de)(de)，材(cai)(cai)質(zhi)(zhi)(zhi)不(bu)(bu)同，它們所能(neng)夠(gou)承受(shou)(shou)的(de)(de)(de)壓(ya)(ya)力都是不(bu)(bu)同的(de)(de)(de)，如(ru)(ru)果(guo)介質(zhi)(zhi)(zhi)是油(you)類(lei)的(de)(de)(de)話，它所承受(shou)(shou)的(de)(de)(de)壓(ya)(ya)力要(yao)(yao)小一些(xie)，如(ru)(ru)果(guo)承受(shou)(shou)的(de)(de)(de)壓(ya)(ya)力超過了材(cai)(cai)質(zhi)(zhi)(zhi)的(de)(de)(de)承受(shou)(shou)范圍，那么(me)就會使(shi)得(de)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)使(shi)用(yong)壽命(ming)(ming)降低。減速(su)機(ji)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)

上海(hai)樂吾動(dong)力科(ke)(ke)技有(you)限公(gong)(gong)(gong)司目前已成為(wei)一(yi)家(jia)集產(chan)(chan)品(pin)研發(fa)、生產(chan)(chan)、銷(xiao)售相(xiang)(xiang)結(jie)合的(de)(de)貿(mao)易(yi)型企(qi)業。公(gong)(gong)(gong)司成立(li)于2014-01-26，自成立(li)以來(lai)一(yi)直秉承自我研發(fa)與技術(shu)引進相(xiang)(xiang)結(jie)合的(de)(de)科(ke)(ke)技發(fa)展戰略(lve)。公(gong)(gong)(gong)司具有(you)液壓密(mi)(mi)(mi)封，氣動(dong)密(mi)(mi)(mi)封，旋轉密(mi)(mi)(mi)封，靜密(mi)(mi)(mi)封等多種產(chan)(chan)品(pin)，根(gen)據客(ke)戶(hu)不同(tong)的(de)(de)需(xu)求，提供不同(tong)類(lei)型的(de)(de)產(chan)(chan)品(pin)。公(gong)(gong)(gong)司擁有(you)一(yi)批熱(re)情敬業、經(jing)驗豐(feng)富的(de)(de)服(fu)務(wu)團隊(dui)，為(wei)客(ke)戶(hu)提供服(fu)務(wu)。依(yi)托成熟的(de)(de)產(chan)(chan)品(pin)資源(yuan)和(he)渠道資源(yuan)，向全(quan)國(guo)生產(chan)(chan)、銷(xiao)售液壓密(mi)(mi)(mi)封，氣動(dong)密(mi)(mi)(mi)封，旋轉密(mi)(mi)(mi)封，靜密(mi)(mi)(mi)封產(chan)(chan)品(pin)，經(jing)過多年的(de)(de)沉淀和(he)發(fa)展已經(jing)形成了科(ke)(ke)學的(de)(de)管理制(zhi)度、豐(feng)富的(de)(de)產(chan)(chan)品(pin)類(lei)型。上海(hai)樂吾動(dong)力科(ke)(ke)技有(you)限公(gong)(gong)(gong)司本(ben)著(zhu)先(xian)做人，后(hou)做事(shi)，誠信為(wei)本(ben)的(de)(de)態度，立(li)志于為(wei)客(ke)戶(hu)提供液壓密(mi)(mi)(mi)封，氣動(dong)密(mi)(mi)(mi)封，旋轉密(mi)(mi)(mi)封，靜密(mi)(mi)(mi)封行業解決方案，節省客(ke)戶(hu)成本(ben)。歡迎新老客(ke)戶(hu)來(lai)電咨詢。

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