
2025-10-25 01:14:40
儲(chu)(chu)罐(guan)的(de)(de)(de)(de)(de)防(fang)(fang)腐(fu)設計對(dui)于(yu)延長(chang)儲(chu)(chu)罐(guan)的(de)(de)(de)(de)(de)使用壽命(ming)、保(bao)證儲(chu)(chu)存介(jie)質(zhi)的(de)(de)(de)(de)(de)質(zhi)量以及確(que)保(bao)**生產至關重要(yao)。由于(yu)儲(chu)(chu)罐(guan)長(chang)期(qi)與(yu)儲(chu)(chu)存介(jie)質(zhi)接觸,且部分介(jie)質(zhi)具(ju)(ju)有(you)(you)腐(fu)蝕(shi)性,若不(bu)進行有(you)(you)效(xiao)的(de)(de)(de)(de)(de)防(fang)(fang)腐(fu)處理(li),儲(chu)(chu)罐(guan)很容易(yi)受(shou)到腐(fu)蝕(shi)破壞。常見(jian)的(de)(de)(de)(de)(de)防(fang)(fang)腐(fu)設計方(fang)法有(you)(you)多種(zhong)。首先是選(xuan)擇合(he)適(shi)的(de)(de)(de)(de)(de)防(fang)(fang)腐(fu)材(cai)料,如前面提到的(de)(de)(de)(de)(de)不(bu)銹鋼、耐(nai)腐(fu)蝕(shi)的(de)(de)(de)(de)(de)合(he)金鋼等(deng),對(dui)于(yu)一(yi)些(xie)腐(fu)蝕(shi)性較強的(de)(de)(de)(de)(de)介(jie)質(zhi),使用這些(xie)材(cai)料可以從根本上(shang)提高(gao)儲(chu)(chu)罐(guan)的(de)(de)(de)(de)(de)耐(nai)腐(fu)蝕(shi)性。其次是采(cai)用防(fang)(fang)腐(fu)涂(tu)(tu)(tu)層,在儲(chu)(chu)罐(guan)的(de)(de)(de)(de)(de)內壁(bi)和(he)外(wai)壁(bi)涂(tu)(tu)(tu)覆(fu)防(fang)(fang)腐(fu)漆(qi)(qi)是一(yi)種(zhong)常見(jian)且經濟(ji)有(you)(you)效(xiao)的(de)(de)(de)(de)(de)方(fang)法。防(fang)(fang)腐(fu)漆(qi)(qi)的(de)(de)(de)(de)(de)種(zhong)類繁多,如環(huan)氧(yang)漆(qi)(qi)、聚氨(an)酯漆(qi)(qi)等(deng),不(bu)同(tong)的(de)(de)(de)(de)(de)漆(qi)(qi)種(zhong)適(shi)用于(yu)不(bu)同(tong)的(de)(de)(de)(de)(de)介(jie)質(zhi)和(he)環(huan)境。在涂(tu)(tu)(tu)覆(fu)防(fang)(fang)腐(fu)漆(qi)(qi)時(shi),要(yao)確(que)保(bao)涂(tu)(tu)(tu)層的(de)(de)(de)(de)(de)厚度均勻(yun)、附著力強,以形(xing)成(cheng)有(you)(you)效(xiao)的(de)(de)(de)(de)(de)防(fang)(fang)護(hu)(hu)屏障。另外(wai),陰(yin)極保(bao)護(hu)(hu)也是一(yi)種(zhong)重要(yao)的(de)(de)(de)(de)(de)防(fang)(fang)腐(fu)措(cuo)施,它通(tong)過向(xiang)儲(chu)(chu)罐(guan)施加一(yi)定的(de)(de)(de)(de)(de)電流,使儲(chu)(chu)罐(guan)表面成(cheng)為陰(yin)極,從而抑制(zhi)腐(fu)蝕(shi)的(de)(de)(de)(de)(de)發生。陰(yin)極保(bao)護(hu)(hu)可分為犧牲陽極陰(yin)極保(bao)護(hu)(hu)和(he)外(wai)加電流陰(yin)極保(bao)護(hu)(hu)兩種(zhong)方(fang)式,可根據儲(chu)(chu)罐(guan)的(de)(de)(de)(de)(de)具(ju)(ju)體情況選(xuan)擇合(he)適(shi)的(de)(de)(de)(de)(de)陰(yin)極保(bao)護(hu)(hu)方(fang)法。通(tong)過綜合(he)運(yun)用這些(xie)防(fang)(fang)腐(fu)設計手(shou)段(duan),可以明顯(xian)提高(gao)儲(chu)(chu)罐(guan)的(de)(de)(de)(de)(de)防(fang)(fang)腐(fu)性能。儲(chu)(chu)罐(guan)配(pei)套完善(shan)!攪拌裝置、清洗系(xi)統、進出料閥門一(yi)站式配(pei)齊,開箱即可投(tou)入使用。江(jiang)蘇(su)不(bu)銹鋼反應釜均價(jia)

稀(xi)硫(liu)(liu)酸和(he)濃硫(liu)(liu)酸都是(shi)具有(you)(you)強(qiang)腐(fu)蝕(shi)(shi)性的化(hua)學(xue)(xue)物質(zhi)(zhi)(zhi),因此(ci)在(zai)儲(chu)(chu)(chu)存和(he)運輸過程中需要使(shi)(shi)用耐(nai)腐(fu)蝕(shi)(shi)的材(cai)質(zhi)(zhi)(zhi)。一般來說,稀(xi)硫(liu)(liu)酸可以(yi)使(shi)(shi)用塑(su)料儲(chu)(chu)(chu)罐(guan)或玻璃(li)鋼(gang)(gang)儲(chu)(chu)(chu)罐(guan)進行(xing)儲(chu)(chu)(chu)存,而(er)濃硫(liu)(liu)酸則需要使(shi)(shi)用不(bu)(bu)銹(xiu)鋼(gang)(gang)儲(chu)(chu)(chu)罐(guan)或玻璃(li)鋼(gang)(gang)儲(chu)(chu)(chu)罐(guan)進行(xing)儲(chu)(chu)(chu)存。這是(shi)因為濃硫(liu)(liu)酸具有(you)(you)更強(qiang)的腐(fu)蝕(shi)(shi)性,能(neng)夠(gou)腐(fu)蝕(shi)(shi)塑(su)料和(he)玻璃(li)鋼(gang)(gang)等材(cai)質(zhi)(zhi)(zhi),而(er)不(bu)(bu)銹(xiu)鋼(gang)(gang)則具有(you)(you)較好(hao)的耐(nai)腐(fu)蝕(shi)(shi)性能(neng),能(neng)夠(gou)有(you)(you)效地(di)保(bao)(bao)護(hu)(hu)儲(chu)(chu)(chu)罐(guan)內部不(bu)(bu)受腐(fu)蝕(shi)(shi)。因此(ci),在(zai)選(xuan)擇儲(chu)(chu)(chu)罐(guan)材(cai)質(zhi)(zhi)(zhi)時,需要根據化(hua)學(xue)(xue)物質(zhi)(zhi)(zhi)的性質(zhi)(zhi)(zhi)和(he)腐(fu)蝕(shi)(shi)性來進行(xing)選(xuan)擇,以(yi)確保(bao)(bao)儲(chu)(chu)(chu)存和(he)運輸的**性和(he)穩定性。山東強(qiang)堿儲(chu)(chu)(chu)罐(guan)生產商(shang)定期進行(xing)儲(chu)(chu)(chu)罐(guan)清洗維護(hu)(hu),延(yan)長使(shi)(shi)用壽命,保(bao)(bao)證產品質(zhi)(zhi)(zhi)量。

-安(an)(an)裝位(wei)置選(xuan)擇-要(yao)(yao)選(xuan)擇堅實、平(ping)整的(de)(de)基礎(chu),確保儲(chu)罐(guan)(guan)(guan)安(an)(an)裝后不(bu)會出現(xian)傾(qing)斜或(huo)下沉。如(ru)果基礎(chu)不(bu)平(ping)整,儲(chu)罐(guan)(guan)(guan)長期受力(li)不(bu)均,可能導致(zhi)罐(guan)(guan)(guan)體(ti)變形,影響(xiang)其正常使用和(he)(he)(he)使用壽命。對(dui)于大型(xing)儲(chu)罐(guan)(guan)(guan),建議建設專門(men)的(de)(de)混(hun)凝土基礎(chu)。-安(an)(an)裝場地(di)要(yao)(yao)保證(zheng)(zheng)有(you)(you)足夠的(de)(de)空(kong)間,便于操(cao)作、維護(hu)和(he)(he)(he)檢(jian)查(cha)(cha),并且(qie)要(yao)(yao)遠離火源、熱源等(deng)(deng)**隱(yin)患區(qu)域(yu)。-安(an)(an)裝過程要(yao)(yao)求(qiu)-在(zai)安(an)(an)裝時(shi)要(yao)(yao)輕拿輕放,避免對(dui)罐(guan)(guan)(guan)體(ti)造成碰撞、劃傷等(deng)(deng)機械損(sun)傷。特別是對(dui)塑(su)料(liao)(liao)襯里部分,任(ren)何微小的(de)(de)損(sun)傷都(dou)可能導致(zhi)日后出現(xian)泄漏問(wen)題。-對(dui)于有(you)(you)連接(jie)管道(dao)、閥(fa)門(men)等(deng)(deng)配(pei)件(jian)的(de)(de)儲(chu)罐(guan)(guan)(guan),在(zai)安(an)(an)裝配(pei)件(jian)時(shi)要(yao)(yao)確保連接(jie)處(chu)密封(feng)良好,采用合適的(de)(de)密封(feng)材料(liao)(liao)和(he)(he)(he)連接(jie)方式,如(ru)法蘭(lan)連接(jie)時(shi)要(yao)(yao)保證(zheng)(zheng)墊片的(de)(de)正確安(an)(an)裝和(he)(he)(he)螺(luo)栓的(de)(de)均勻緊(jin)固(gu)(gu)。-按(an)照(zhao)設計要(yao)(yao)求(qiu)進行罐(guan)(guan)(guan)體(ti)的(de)(de)固(gu)(gu)定(ding),通(tong)常采用地(di)腳螺(luo)栓等(deng)(deng)方式,固(gu)(gu)定(ding)要(yao)(yao)牢固(gu)(gu),以(yi)(yi)防止罐(guan)(guan)(guan)體(ti)因(yin)受到外力(li)(如(ru)風吹、地(di)震(zhen)等(deng)(deng))而移動或(huo)傾(qing)倒。維護(hu)注意事項-定(ding)期檢(jian)查(cha)(cha)-要(yao)(yao)定(ding)期檢(jian)查(cha)(cha)罐(guan)(guan)(guan)體(ti)外觀,查(cha)(cha)看鋼外殼(ke)是否有(you)(you)生(sheng)銹、腐蝕,塑(su)料(liao)(liao)襯里是否有(you)(you)鼓包、裂縫、脫(tuo)層等(deng)(deng)現(xian)象。建議至少每月進行一(yi)次簡單的(de)(de)外觀檢(jian)查(cha)(cha),每半年(nian)到一(yi)年(nian)進行一(yi)次多面的(de)(de)內部和(he)(he)(he)外部檢(jian)查(cha)(cha)。-檢(jian)查(cha)(cha)連接(jie)部位(wei),如(ru)管道(dao)接(jie)口、閥(fa)門(men)等(deng)(deng),看是否有(you)(you)泄漏跡(ji)象。可以(yi)(yi)通(tong)過觀察(cha)連接(jie)處(chu)周圍(wei)是否有(you)(you)液(ye)體(ti)痕跡(ji)、壓(ya)力(li)測試等(deng)(deng)方法來檢(jian)查(cha)(cha)。
不(bu)(bu)銹鋼(gang)(gang)(gang)儲(chu)罐(guan)的(de)(de)(de)智(zhi)能(neng)化(hua)(hua)管理(li)系(xi)統(tong)提升運營(ying)效率(lv)。通過(guo)(guo)物(wu)聯網技術,不(bu)(bu)銹鋼(gang)(gang)(gang)儲(chu)罐(guan)能(neng)夠實時采集并(bing)傳(chuan)輸罐(guan)內的(de)(de)(de)各種(zhong)數據,如液位、溫(wen)度(du)、壓力等,到企業(ye)的(de)(de)(de)管理(li)平(ping)臺。管理(li)人(ren)員可(ke)以(yi)通過(guo)(guo)手(shou)機或電腦(nao)隨時隨地查看(kan)儲(chu)罐(guan)的(de)(de)(de)運行狀態,并(bing)進行遠程(cheng)控制與(yu)(yu)管理(li)。例如,當液位過(guo)(guo)低時,系(xi)統(tong)可(ke)自動(dong)(dong)發出預警并(bing)啟動(dong)(dong)補貨程(cheng)序;當溫(wen)度(du)異常時,可(ke)及時調(diao)整加(jia)熱(re)或冷卻系(xi)統(tong)。不(bu)(bu)銹鋼(gang)(gang)(gang)儲(chu)罐(guan)的(de)(de)(de)智(zhi)能(neng)化(hua)(hua)管理(li)系(xi)統(tong),實現(xian)了存(cun)儲(chu)過(guo)(guo)程(cheng)的(de)(de)(de)自動(dong)(dong)化(hua)(hua)與(yu)(yu)信息化(hua)(hua),減少(shao)了人(ren)工干預,提高了企業(ye)的(de)(de)(de)管理(li)精度(du)與(yu)(yu)運營(ying)效率(lv)。大(da)型立(li)式(shi)儲(chu)罐(guan)廠家(jia)直(zhi)供,模塊化(hua)(hua)施工縮短(duan)工期,防腐(fu)涂層耐候性(xing)強,戶外使用十(shi)年如新(xin)。

玻璃(li)鋼儲(chu)(chu)罐(guan)的制(zhi)(zhi)造(zao)工(gong)藝(yi)(yi)融(rong)合(he)(he)了(le)玻璃(li)纖(xian)維(wei)(wei)(wei)與樹(shu)(shu)(shu)(shu)脂(zhi)(zhi)的特性,造(zao)就了(le)其(qi)獨特的性能(neng)優勢。制(zhi)(zhi)造(zao)時,首先(xian)將(jiang)玻璃(li)纖(xian)維(wei)(wei)(wei)通(tong)(tong)過特定工(gong)藝(yi)(yi)制(zhi)(zhi)成(cheng)(cheng)(cheng)纖(xian)維(wei)(wei)(wei)氈、纖(xian)維(wei)(wei)(wei)布(bu)或纖(xian)維(wei)(wei)(wei)纏(chan)繞結(jie)構,作為增強材料(liao)。然后(hou),將(jiang)樹(shu)(shu)(shu)(shu)脂(zhi)(zhi),如不(bu)飽和(he)聚酯樹(shu)(shu)(shu)(shu)脂(zhi)(zhi)、環(huan)氧樹(shu)(shu)(shu)(shu)脂(zhi)(zhi)等,與固(gu)化劑(ji)、促(cu)進劑(ji)等添加(jia)劑(ji)混(hun)合(he)(he)均(jun)勻,作為基體(ti)材料(liao)。通(tong)(tong)過手糊(hu)成(cheng)(cheng)(cheng)型、纏(chan)繞成(cheng)(cheng)(cheng)型、模(mo)(mo)壓(ya)成(cheng)(cheng)(cheng)型等工(gong)藝(yi)(yi),將(jiang)玻璃(li)纖(xian)維(wei)(wei)(wei)與樹(shu)(shu)(shu)(shu)脂(zhi)(zhi)復合(he)(he)在(zai)一起。手糊(hu)成(cheng)(cheng)(cheng)型工(gong)藝(yi)(yi)是(shi)(shi)在(zai)模(mo)(mo)具表面手工(gong)鋪設玻璃(li)纖(xian)維(wei)(wei)(wei)氈或布(bu),然后(hou)涂刷樹(shu)(shu)(shu)(shu)脂(zhi)(zhi),使其(qi)浸潤纖(xian)維(wei)(wei)(wei),層(ceng)層(ceng)疊加(jia),固(gu)化后(hou)形成(cheng)(cheng)(cheng)儲(chu)(chu)罐(guan)。纏(chan)繞成(cheng)(cheng)(cheng)型則是(shi)(shi)利用(yong)纏(chan)繞機將(jiang)浸有樹(shu)(shu)(shu)(shu)脂(zhi)(zhi)的玻璃(li)纖(xian)維(wei)(wei)(wei)絲按一定規(gui)律(lv)纏(chan)繞在(zai)模(mo)(mo)具上,經固(gu)化制(zhi)(zhi)成(cheng)(cheng)(cheng)儲(chu)(chu)罐(guan),這種工(gong)藝(yi)(yi)能(neng)夠使儲(chu)(chu)罐(guan)在(zai)圓周方向獲得(de)較高的強度(du)(du)。模(mo)(mo)壓(ya)成(cheng)(cheng)(cheng)型是(shi)(shi)將(jiang)玻璃(li)纖(xian)維(wei)(wei)(wei)與樹(shu)(shu)(shu)(shu)脂(zhi)(zhi)混(hun)合(he)(he)制(zhi)(zhi)成(cheng)(cheng)(cheng)模(mo)(mo)壓(ya)料(liao),放入(ru)模(mo)(mo)具中,在(zai)一定溫度(du)(du)和(he)壓(ya)力下成(cheng)(cheng)(cheng)型固(gu)化。玻璃(li)鋼儲(chu)(chu)罐(guan)具有質量輕、強度(du)(du)高的特點,其(qi)密度(du)(du)只為鋼材的1/4-1/5,而強度(du)(du)卻(que)能(neng)達到甚至超過普通(tong)(tong)鋼材,便于(yu)運(yun)輸與安(an)裝。同時,它(ta)具有優異的耐腐蝕(shi)性,能(neng)夠抵(di)御(yu)多種酸堿介質侵蝕(shi),在(zai)化工(gong)、環(huan)保(bao)、建筑等行業(ye)廣泛(fan)應用(yong),可(ke)用(yong)于(yu)儲(chu)(chu)存污水、腐蝕(shi)性化學(xue)品等,且(qie)使用(yong)壽命長,維(wei)(wei)(wei)護(hu)(hu)成(cheng)(cheng)(cheng)本低。定期檢查儲(chu)(chu)罐(guan)密封(feng)性,防止物料(liao)泄漏,保(bao)護(hu)(hu)環(huan)境**。江蘇不(bu)銹(xiu)鋼反應釜(fu)均(jun)價
儲罐(guan)的安裝位置應(ying)遠離易(yi)燃易(yi)爆物品,并保持良好的通風,以降(jiang)低火災風險(xian),確保**。江蘇(su)不銹鋼反(fan)應(ying)釜均價(jia)
在(zai)(zai)(zai)(zai)儲(chu)罐(guan)(guan)(guan)(guan)的(de)(de)(de)諸多類型中(zhong)(zhong)(zhong),化(hua)(hua)工(gong)(gong)(gong)(gong)儲(chu)罐(guan)(guan)(guan)(guan)是很常見和(he)常用(yong)的(de)(de)(de)一(yi)(yi)種,在(zai)(zai)(zai)(zai)進(jin)(jin)(jin)(jin)行(xing)(xing)(xing)使用(yong)的(de)(de)(de)過(guo)程(cheng)(cheng)中(zhong)(zhong)(zhong)主要(yao)(yao)(yao)是用(yong)在(zai)(zai)(zai)(zai)化(hua)(hua)工(gong)(gong)(gong)(gong)行(xing)(xing)(xing)業(ye)內的(de)(de)(de),化(hua)(hua)工(gong)(gong)(gong)(gong)儲(chu)罐(guan)(guan)(guan)(guan)如果(guo)對(dui)其(qi)儲(chu)罐(guan)(guan)(guan)(guan)進(jin)(jin)(jin)(jin)行(xing)(xing)(xing)劃分的(de)(de)(de)話(hua)(hua)(hua),在(zai)(zai)(zai)(zai)進(jin)(jin)(jin)(jin)行(xing)(xing)(xing)使用(yong)時(shi)可(ke)分為金(jin)屬、非金(jin)屬和(he)金(jin)屬非金(jin)屬復(fu)合這三種。其(qi)中(zhong)(zhong)(zhong),金(jin)屬類的(de)(de)(de)是不(bu)(bu)銹(xiu)鋼(gang)(gang)及(ji)(ji)鋁等,非金(jin)屬類則有(you)(you)陶(tao)瓷和(he)玻(bo)璃鋼(gang)(gang)等。化(hua)(hua)工(gong)(gong)(gong)(gong)儲(chu)罐(guan)(guan)(guan)(guan)的(de)(de)(de)注(zhu)意(yi)事項1、化(hua)(hua)工(gong)(gong)(gong)(gong)儲(chu)罐(guan)(guan)(guan)(guan)在(zai)(zai)(zai)(zai)進(jin)(jin)(jin)(jin)行(xing)(xing)(xing)使用(yong)時(shi)如果(guo)易(yi)爆、易(yi)燃或者(zhe)(zhe)腐蝕介質的(de)(de)(de)話(hua)(hua)(hua),那樣應當嚴格根據其(qi)有(you)(you)關的(de)(de)(de)規定的(de)(de)(de)要(yao)(yao)(yao)求來來操作,在(zai)(zai)(zai)(zai)來操作的(de)(de)(de)過(guo)程(cheng)(cheng)里(li)(li)是不(bu)(bu)能(neng)(neng)違規的(de)(de)(de),根本原(yuan)因是較為風險(xian)。2、對(dui)化(hua)(hua)工(gong)(gong)(gong)(gong)儲(chu)罐(guan)(guan)(guan)(guan)進(jin)(jin)(jin)(jin)行(xing)(xing)(xing)檢修(xiu)等工(gong)(gong)(gong)(gong)作時(shi),需要(yao)(yao)(yao)先(xian)斷開與(yu)此相(xiang)關的(de)(de)(de)電(dian)器設備(bei)電(dian)源,在(zai)(zai)(zai)(zai)進(jin)(jin)(jin)(jin)行(xing)(xing)(xing)使用(yong)時(shi)之后才能(neng)(neng)去進(jin)(jin)(jin)(jin)行(xing)(xing)(xing),有(you)(you)必(bi)要(yao)(yao)(yao)的(de)(de)(de)話(hua)(hua)(hua),還應當**設備(bei)的(de)(de)(de)交接手續。3、在(zai)(zai)(zai)(zai)化(hua)(hua)工(gong)(gong)(gong)(gong)儲(chu)罐(guan)(guan)(guan)(guan)內進(jin)(jin)(jin)(jin)行(xing)(xing)(xing)罐(guan)(guan)(guan)(guan)里(li)(li)作業(ye)的(de)(de)(de)話(hua)(hua)(hua),應有(you)(you)明確的(de)(de)(de)作業(ye)許可(ke)證(zheng)才行(xing)(xing)(xing)。若是有(you)(you)較長時(shi)間中(zhong)(zhong)(zhong)斷的(de)(de)(de)話(hua)(hua)(hua),那么要(yao)(yao)(yao)再次**作業(ye)許可(ke)證(zheng)才行(xing)(xing)(xing)。4、化(hua)(hua)工(gong)(gong)(gong)(gong)儲(chu)罐(guan)(guan)(guan)(guan)在(zai)(zai)(zai)(zai)作業(ye)過(guo)程(cheng)(cheng)中(zhong)(zhong)(zhong),必(bi)須(xu)搭建腳(jiao)手架,或者(zhe)(zhe)升降裝(zhuang)置(zhi)等的(de)(de)(de)話(hua)(hua)(hua),那么要(yao)(yao)(yao)確保它是牢固可(ke)靠的(de)(de)(de),進(jin)(jin)(jin)(jin)而(er)確保可(ke)以進(jin)(jin)(jin)(jin)行(xing)(xing)(xing)**作業(ye)。5、化(hua)(hua)工(gong)(gong)(gong)(gong)儲(chu)罐(guan)(guan)(guan)(guan)在(zai)(zai)(zai)(zai)罐(guan)(guan)(guan)(guan)里(li)(li)的(de)(de)(de)作業(ye),罐(guan)(guan)(guan)(guan)外必(bi)須(xu)要(yao)(yao)(yao)有(you)(you)監(jian)護人(ren),并(bing)采用(yong)可(ke)靠的(de)(de)(de)聯系(xi)對(dui)策,便于罐(guan)(guan)(guan)(guan)外人(ren)員(yuan)能(neng)(neng)及(ji)(ji)時(shi)了解作業(ye)狀(zhuang)況(kuang)。一(yi)(yi)旦出現緊急狀(zhuang)況(kuang),可(ke)以馬上采取有(you)(you)力措施(shi)。6、化(hua)(hua)工(gong)(gong)(gong)(gong)儲(chu)罐(guan)(guan)(guan)(guan)上人(ren)孔的(de)(de)(de)封閉(bi),需在(zai)(zai)(zai)(zai)監(jian)護人(ren)員(yuan)在(zai)(zai)(zai)(zai)罐(guan)(guan)(guan)(guan)里(li)(li)作業(ye)證(zheng)上簽(qian)字(zi)確認(ren)后,即可(ke)進(jin)(jin)(jin)(jin)行(xing)(xing)(xing)。江(jiang)蘇不(bu)(bu)銹(xiu)鋼(gang)(gang)反(fan)應釜均價