上海鋁壓鑄件電泳加工
電(dian)泳(yong)(yong)(yong)設(she)備我們(men)知道(dao)它的(de)(de)(de)使用(yong)主要就是用(yong)于(yu)涂層效(xiao)果(guo),在汽(qi)車(che)(che)的(de)(de)(de)加(jia)工(gong)(gong)中(zhong)也是會有(you)很高(gao)的(de)(de)(de)效(xiao)率,汽(qi)車(che)(che)加(jia)工(gong)(gong)中(zhong)需(xu)要做好噴(pen)涂的(de)(de)(de)處理,電(dian)泳(yong)(yong)(yong)設(she)備在汽(qi)車(che)(che)行業(ye)(ye)中(zhong)的(de)(de)(de)使用(yong)是:自1977年(nian)以(yi)來(lai),陰(yin)極(ji)(ji)電(dian)泳(yong)(yong)(yong)涂裝法(fa)已(yi)形成替代(dai)陽(yang)極(ji)(ji)電(dian)泳(yong)(yong)(yong)涂裝的(de)(de)(de)趨(qu)勢。在汽(qi)車(che)(che)市場上,沒有(you)陰(yin)極(ji)(ji)電(dian)泳(yong)(yong)(yong)的(de)(de)(de)汽(qi)車(che)(che)失去競爭力。經(jing)過20多年(nian)的(de)(de)(de)不(bu)斷改(gai)進,陰(yin)極(ji)(ji)電(dian)泳(yong)(yong)(yong)涂膜工(gong)(gong)藝已(yi)成為將底漆應(ying)用(yong)于(yu)車(che)(che)身,車(che)(che)輪和(he)車(che)(che)架的(de)(de)(de) 成熟(shu)的(de)(de)(de)先進技術之一。對(dui)于(yu)車(che)(che)身,沒有(you)更多的(de)(de)(de)高(gao)級涂料可以(yi)替代(dai)它。入(ru)門方法(fa)。該(gai)技術也已(yi)普(pu)遍用(yong)于(yu)家用(yong)電(dian)器,建筑材料,農業(ye)(ye)機械和(he)輕工(gong)(gong)業(ye)(ye)領(ling)域。電(dian)泳(yong)(yong)(yong),就選昆山顯(xian)榮電(dian)子工(gong)(gong)業(ye)(ye)有(you)限公司,讓您(nin)滿意,有(you)想法(fa)可以(yi)來(lai)我司咨詢!上海鋁壓鑄(zhu)件電(dian)泳(yong)(yong)(yong)加(jia)工(gong)(gong)
電(dian)泳設備(bei)我們(men)知道它的(de)(de)使用對于現在很多(duo)的(de)(de)機械生(sheng)產(chan)(chan)來說(shuo)還是比較關鍵,電(dian)泳設備(bei)的(de)(de)安全(quan)使用方法有:1.涂裝各送風(feng)、排風(feng)管路每(mei)(mei)(mei)天應檢查其(qi)密封性,不得漏(lou)水、漏(lou)氣。3.循(xun)環水池中定期(qi)(qi)添加漆霧(wu)凝聚劑(ji),過濾器、水槽、格柵應經常清(qing)理(每(mei)(mei)(mei)星期(qi)(qi))。漆霧(wu)凝聚劑(ji)每(mei)(mei)(mei) 兩月(yue)投放一(yi)次。4.電(dian)泳風(feng)機皮帶每(mei)(mei)(mei)半(ban)年(nian)更換一(yi)次(也(ye)可視(shi)生(sheng)產(chan)(chan)情(qing)況(kuang)而定)。5.打磨清(qing)理室內過濾袋每(mei)(mei)(mei)兩周需(xu)清(qing)理一(yi)次(也(ye)可視(shi)生(sheng)產(chan)(chan)情(qing)況(kuang)而定)。2.室體頂部過濾棉需(xu)定期(qi)(qi)檢查,及時(shi)清(qing)理積塵或予以更換。并且每(mei)(mei)(mei)3月(yue)清(qing)理一(yi)次,或者(zhe)一(yi)年(nian)更換一(yi)次。鎂合金電(dian)泳廠昆山顯榮電(dian)子工業有限公司為您提(ti)供電(dian)泳,歡(huan)迎您的(de)(de)來電(dian)!
等(deng)電(dian)(dian)(dian)聚(ju)(ju)焦電(dian)(dian)(dian)泳(yong)(yong)是(shi)將(jiang)兩(liang)性電(dian)(dian)(dian)解質加(jia)(jia)入盛有(you)(you)pH梯度緩(huan)沖液的(de)(de)(de)(de)(de)電(dian)(dian)(dian)泳(yong)(yong)槽中(zhong),當其(qi)處(chu)在(zai)低于其(qi)本(ben)身等(deng)電(dian)(dian)(dian)點的(de)(de)(de)(de)(de)環境中(zhong)則帶正(zheng)(zheng)電(dian)(dian)(dian)荷,向(xiang)負(fu)極移(yi)(yi)動(dong);若其(qi)處(chu)在(zai)高于其(qi)本(ben)身等(deng)電(dian)(dian)(dian)點的(de)(de)(de)(de)(de)環境中(zhong),則帶負(fu)電(dian)(dian)(dian)向(xiang)正(zheng)(zheng)極移(yi)(yi)動(dong)。當泳(yong)(yong)動(dong)到(dao)其(qi)自(zi)身特有(you)(you)的(de)(de)(de)(de)(de)等(deng)電(dian)(dian)(dian)點時,其(qi)凈電(dian)(dian)(dian)荷為(wei)零,泳(yong)(yong)動(dong)速(su)度下降到(dao)零,具(ju)有(you)(you)不同等(deng)電(dian)(dian)(dian)點的(de)(de)(de)(de)(de)物質然后(hou)聚(ju)(ju)焦在(zai)各(ge)自(zi)等(deng)電(dian)(dian)(dian)點位置(zhi),形成一個個清晰(xi)的(de)(de)(de)(de)(de)區(qu)(qu)(qu)(qu)帶,分辨率極高。等(deng)速(su)電(dian)(dian)(dian)泳(yong)(yong)是(shi)在(zai)樣品中(zhong)加(jia)(jia)有(you)(you)好的(de)(de)(de)(de)(de)離(li)(li)(li)子(其(qi)遷(qian)(qian)移(yi)(yi)率比(bi)(bi)所(suo)有(you)(you)被分離(li)(li)(li)離(li)(li)(li)子的(de)(de)(de)(de)(de)大)和(he)終末離(li)(li)(li)子(其(qi)遷(qian)(qian)移(yi)(yi)率比(bi)(bi)所(suo)有(you)(you)被分離(li)(li)(li)離(li)(li)(li)子的(de)(de)(de)(de)(de)小(xiao)(xiao)),樣品加(jia)(jia)在(zai)離(li)(li)(li)子和(he)終末離(li)(li)(li)子之(zhi)(zhi)間(jian),在(zai)外電(dian)(dian)(dian)場(chang)作用下,各(ge)離(li)(li)(li)子進行移(yi)(yi)動(dong),經過(guo)一段時間(jian)電(dian)(dian)(dian)泳(yong)(yong)后(hou),達到(dao)完全分離(li)(li)(li)。被分離(li)(li)(li)的(de)(de)(de)(de)(de)各(ge)離(li)(li)(li)子的(de)(de)(de)(de)(de)區(qu)(qu)(qu)(qu)帶按遷(qian)(qian)移(yi)(yi)率大小(xiao)(xiao)依(yi)序排列在(zai)離(li)(li)(li)子與終末離(li)(li)(li)子的(de)(de)(de)(de)(de)區(qu)(qu)(qu)(qu)帶之(zhi)(zhi)間(jian)。由于沒(mei)有(you)(you)加(jia)(jia)入適當的(de)(de)(de)(de)(de)支持電(dian)(dian)(dian)解質來載帶電(dian)(dian)(dian)流(liu),所(suo)得到(dao)的(de)(de)(de)(de)(de)區(qu)(qu)(qu)(qu)帶是(shi)相互連接的(de)(de)(de)(de)(de),且因“自(zi)身校正(zheng)(zheng)”效應,界面是(shi)清晰(xi)的(de)(de)(de)(de)(de),這是(shi)與區(qu)(qu)(qu)(qu)帶電(dian)(dian)(dian)泳(yong)(yong)不同之(zhi)(zhi)處(chu)。
電(dian)泳(yong)(yong)(yong)涂(tu)裝廢(fei)(fei)水(shui)處(chu)理(li)工藝(yi)關(guan)鍵之一在(zai)合(he)理(li)的清濁(zhuo)分質,對部分難(nan)處(chu)理(li)或景響(xiang)后(hou)續(xu)處(chu)理(li)的廢(fei)(fei)水(shui),根據其性(xing)質和(he)(he)排(pai)放(fang)規律,先進行間歇的預(yu)處(chu)理(li),再和(he)(he)其它廢(fei)(fei)水(shui)集中連(lian)續(xu)處(chu)理(li)。電(dian)泳(yong)(yong)(yong)涂(tu)裝廢(fei)(fei)水(shui)處(chu)理(li)工藝(yi):1.間歇預(yu)處(chu)理(li):電(dian)泳(yong)(yong)(yong)廢(fei)(fei)液:加入(ru)(ru)適當的陽離子型聚(ju)丙酰胺和(he)(he)聚(ju)合(he)氯化鋁作混凝劑(ji)能快(kuai)速去(qu)除廢(fei)(fei)水(shui)中的污染物(wu)。2.連(lian)續(xu)處(chu)理(li),經(jing)預(yu)處(chu)理(li)的各類廢(fei)(fei)水(shui)排(pai)入(ru)(ru)均和(he)(he)調(diao)節池中,與其它廢(fei)(fei)水(shui)混合(he)后(hou)進入(ru)(ru)連(lian)續(xu)處(chu)理(li)流程。3.深度處(chu)理(li),采用砂濾(lv)和(he)(he)活性(xing)炭(tan)(tan)過(guo)濾(lv).運行時,經(jing)砂濾(lv)后(hou)的出水(shui)即能達到排(pai)放(fang)標準,活性(xing)炭(tan)(tan)過(guo)濾(lv)是應急(ji)保證措施。4.污泥處(chu)理(li),在(zai)污泥濃縮槽中加入(ru)(ru)Ca(OH),PH調(diao)整至(zhi)10左右,能達到較好的壓濾(lv)效果.污泥含水(shui)率經(jing)板框壓濾(lv)機后(hou)可由99%下降至(zhi)75%~80%。5.連(lian)續(xu)處(chu)理(li)去(qu)除率分析。昆(kun)山顯(xian)榮(rong)電(dian)子工業(ye)有限公司為您(nin)提(ti)供(gong)電(dian)泳(yong)(yong)(yong),有需求可以來(lai)電(dian)咨詢!
電(dian)(dian)(dian)(dian)(dian)泳(yong)涂(tu)(tu)(tu)裝(zhuang)設(she)備)是(shi)(shi)利(li)用(yong)(yong)外加(jia)電(dian)(dian)(dian)(dian)(dian)場使懸浮于(yu)電(dian)(dian)(dian)(dian)(dian)泳(yong)液(ye)中的(de)(de)顏(yan)料和(he)樹脂等微(wei)粒定向(xiang)(xiang)遷移并(bing)沉(chen)積(ji)于(yu)電(dian)(dian)(dian)(dian)(dian)極(ji)之一(yi)的(de)(de)基底表面的(de)(de)涂(tu)(tu)(tu)裝(zhuang)方(fang)(fang)法。電(dian)(dian)(dian)(dian)(dian)泳(yong)涂(tu)(tu)(tu)裝(zhuang)的(de)(de)原理發明于(yu)是(shi)(shi)20世紀30年(nian)代末,但(dan)開發這一(yi)技術(shu)并(bing)獲得工(gong)業應用(yong)(yong)是(shi)(shi)在1963年(nian)以(yi)后,電(dian)(dian)(dian)(dian)(dian)泳(yong)涂(tu)(tu)(tu)裝(zhuang)是(shi)(shi)近30年(nian)來發展起來的(de)(de)一(yi)種特殊涂(tu)(tu)(tu)膜形(xing)成方(fang)(fang)法,是(shi)(shi)對水性涂(tu)(tu)(tu)料較具有實際意義的(de)(de)施工(gong)工(gong)藝。具有水溶性、無毒、易于(yu)自動化控(kong)制(zhi)等特點,迅速在汽車、建材、五(wu)金、家電(dian)(dian)(dian)(dian)(dian)等行業得到普遍的(de)(de)應用(yong)(yong)。電(dian)(dian)(dian)(dian)(dian)泳(yong)涂(tu)(tu)(tu)裝(zhuang)設(she)備是(shi)(shi)利(li)用(yong)(yong)外加(jia)電(dian)(dian)(dian)(dian)(dian)場使懸浮于(yu)電(dian)(dian)(dian)(dian)(dian)泳(yong)液(ye)中的(de)(de)顏(yan)料和(he)樹脂等微(wei)粒定向(xiang)(xiang)遷移并(bing)沉(chen)積(ji)于(yu)電(dian)(dian)(dian)(dian)(dian)極(ji)之一(yi)的(de)(de)基底表面的(de)(de)涂(tu)(tu)(tu)裝(zhuang)方(fang)(fang)法。昆山顯榮電(dian)(dian)(dian)(dian)(dian)子工(gong)業有限(xian)公司于(yu)提(ti)供(gong)電(dian)(dian)(dian)(dian)(dian)泳(yong),有需要可以(yi)聯系我司哦!鎂合金電(dian)(dian)(dian)(dian)(dian)泳(yong)廠
昆山顯榮(rong)電(dian)子工(gong)業(ye)有(you)限(xian)公司是一家專(zhuan)業(ye)提供電(dian)泳的公司,有(you)需求可以來(lai)電(dian)咨(zi)詢!上海鋁壓鑄(zhu)件(jian)電(dian)泳加工(gong)
電(dian)(dian)(dian)泳(yong)(yong)成(cheng)套(tao)(tao)(tao)設(she)(she)備對于涂裝生產也是(shi)有很大的作(zuo)(zuo)用(yong)(yong),不(bu)(bu)過因為電(dian)(dian)(dian)泳(yong)(yong)成(cheng)套(tao)(tao)(tao)設(she)(she)備比較精密也是(shi)需(xu)要做好(hao)更準確的操作(zuo)(zuo),在(zai)(zai)使(shi)用(yong)(yong)中(zhong)也是(shi)有規范(fan)的要求(qiu),我們也是(shi)要按(an)著(zhu)規范(fan)進(jin)行操作(zuo)(zuo)和(he)實施(shi),對照國(guo)家涂裝作(zuo)(zuo)業安全規程系列標準,在(zai)(zai)防(fang)毒、防(fang)塵、防(fang)火、防(fang)爆等方面存在(zai)(zai)諸多隱患(huan),電(dian)(dian)(dian)泳(yong)(yong)成(cheng)套(tao)(tao)(tao)設(she)(she)備在(zai)(zai)生產中(zhong)的工作(zuo)(zuo)規范(fan)要求(qiu)是(shi):引進(jin)無序,重(zhong)(zhong)復引進(jin)同類型的生產線。國(guo)內自行設(she)(she)計研(yan)制的一些自動電(dian)(dian)(dian)泳(yong)(yong)成(cheng)套(tao)(tao)(tao)設(she)(she)備未(wei)能普遍地交流和(he)推廣。近年(nian)來國(guo)內一些單(dan)位對電(dian)(dian)(dian)泳(yong)(yong)成(cheng)套(tao)(tao)(tao)設(she)(she)備所用(yong)(yong)的設(she)(she)備、新技術的研(yan)制雖有重(zhong)(zhong)視,并取得(de)成(cheng)果,但由于研(yan)制投(tou)入(ru)受到人力、資金等限制,往(wang)(wang)往(wang)(wang)模仿多,單(dan)獨(du)開(kai)發少,創新少,所以成(cheng)效(xiao)不(bu)(bu)明(ming)顯。上海鋁壓鑄件(jian)電(dian)(dian)(dian)泳(yong)(yong)加工
昆山顯榮電(dian)子工業(ye)有限公司(si)(si)屬于能源的(de)高新企業(ye),技術力量雄(xiong)厚(hou)。公司(si)(si)致力于為客戶提供安(an)全、質(zhi)量有保證(zheng)的(de)良(liang)好產品及服(fu)務(wu),是一(yi)家私營(ying)有限責任公司(si)(si)企業(ye)。公司(si)(si)業(ye)務(wu)涵蓋電(dian)泳(yong)加工,陽極氧(yang)化(hua)(hua),硬質(zhi)氧(yang)化(hua)(hua),彩色電(dian)泳(yong),價(jia)格合(he)理,品質(zhi)有保證(zheng),深受廣大客戶的(de)歡(huan)迎。顯榮電(dian)子工業(ye)自成立以來,一(yi)直(zhi)堅持(chi)走正(zheng)規化(hua)(hua)、專(zhuan)業(ye)化(hua)(hua)路線,得到了廣大客戶及社會各界的(de)普遍認可與大力支(zhi)持(chi)。
本文(wen)來自(zi)廣西桂林百利種苗(miao)有限公司(si)://a777a.cn/Article/93d4499862.html
批發雞叉骨廠家
那么(me)開(kai)炸(zha)雞連鎖(suo)的(de)條(tiao)件是什么(me)呢?小(xiao)編與你(ni)一起來分析分析,希望對一些(xie)即將走(zou)入中小(xiao)餐(can)飲(yin)連鎖(suo)店(dian)(dian)的(de)創業者有所幫助(zhu).現(xian)在很(hen)多人想開(kai)炸(zha)雞加盟店(dian)(dian),各(ge)(ge)種(zhong)各(ge)(ge)樣的(de)炸(zha)雞加盟項目又(you)特別的(de)多,但是并非所有人都適(shi)合開(kai)炸(zha)雞店(dian)(dian)。經驗問 。
何挑選一臺靠譜的(de)全(quan)自動(dong)視覺(jue)檢(jian)(jian)(jian)測設(she)備呢(ni)?視覺(jue)檢(jian)(jian)(jian)測作為工業(ye)(ye)產(chan)品(pin)(pin)全(quan)自動(dong)視覺(jue)檢(jian)(jian)(jian)測設(she)備,已經(jing)普(pu)遍應用在(zai)工業(ye)(ye)品(pin)(pin)生產(chan)的(de)各(ge)個行(xing)業(ye)(ye)。無人化、無接(jie)觸(chu)、自動(dong)化檢(jian)(jian)(jian)測設(she)備越來(lai)越受到汽(qi)配行(xing)業(ye)(ye)、精密五金、O型(xing)圈(quan)、微(wei)電子等行(xing)業(ye)(ye)企業(ye)(ye)的(de) 。
崗(gang)亭作(zuo)為一種常(chang)見的(de)公共(gong)配套設施,也是諸多人群賴以生(sheng)存的(de)工作(zuo)場景,而一個好的(de)工作(zuo)環境往(wang)往(wang)比薪(xin)酬對員工更具有吸引(yin)力(li)。市(shi)面上(shang)的(de)不(bu)銹鋼(gang)崗(gang)亭外觀(guan)已無法滿(man)足現代(dai)人的(de)需(xu)求了,普通(tong)材(cai)質(zhi)的(de)不(bu)銹鋼(gang)根據其表面的(de)形式(shi)不(bu)同(tong)常(chang)會 。
304不(bu)(bu)(bu)銹(xiu)鋼管道(dao)的使用周期是(shi)多(duo)久?以304/316這些(xie)材質的不(bu)(bu)(bu)銹(xiu)鋼PVC管道(dao)使用來講(jiang),PVC管道(dao)的表面有(you)可再生的防(fang)腐層(ceng),通常我們稱這種(zhong)為鈍化膜,自然(ran)環境下防(fang)腐、不(bu)(bu)(bu)易出現銹(xiu)蝕情況。其次(ci),304不(bu)(bu)(bu)銹(xiu)鋼管道(dao) 。
選(xuan)用貼(tie)片保(bao)險絲(si)注意:1、在所使用的電(dian)路中(zhong)流(liu)經保(bao)險絲(si)的常(chang)(chang)態電(dian)流(liu)大小(xiao)。通常(chang)(chang)情況下(xia)我(wo)們要預(yu)先設定(ding)一個減(jian)額量,然后按下(xia)面的原則來(lai)進行選(xuan)擇:即常(chang)(chang)態電(dian)流(liu)必須小(xiao)于額定(ding)電(dian)流(liu)與減(jian)額系數的乘(cheng)積(ji)。2、按照UL規格(ge)的規定(ding),保(bao) 。
在(zai)垃圾液壓(ya)抓(zhua)斗(dou)使(shi)用過(guo)程中,常(chang)常(chang)會遇到各種各樣(yang)的問題,除了垃圾抓(zhua)斗(dou)本身所使(shi)用的環境比(bi)較(jiao)惡劣之外,其余(yu)大部(bu)分都(dou)是閥(fa)組的自(zi)身設(she)計缺陷而(er)導致的,例如,抓(zhua)斗(dou)開合(he)速度(du)慢,這就是閥(fa)組本身設(she)計不合(he)理導致的,這個故障率 。
操作(zuo)、維護和自控簡便,現場安全衛生。應用(yong)(yong)領域(yu)編輯1)電力工(gong)(gong)業(ye):鍋爐補給水(shui)、冷(leng)卻水(shui)壩(ba);2)電子工(gong)(gong)業(ye):半導體工(gong)(gong)業(ye)超(chao)純水(shui)、集成電路(lu)清(qing)洗(xi)用(yong)(yong)水(shui)、配方(fang)用(yong)(yong)水(shui);3)食品工(gong)(gong)業(ye):配方(fang)用(yong)(yong)水(shui)、生產(chan)用(yong)(yong)水(shui);4)制藥行(xing)業(ye):工(gong)(gong)藝用(yong)(yong)水(shui) 。
相信有不(bu)少(shao)朋友在(zai)日常工作中(zhong)都會去定期維(wei)護(hu)自吸排污(wu)(wu)泵,那么(me)我們(men)在(zai)進行維(wei)護(hu)的(de)時(shi)候(hou)又需要注意什么(me)呢,如(ru)果在(zai)維(wei)護(hu)的(de)時(shi)候(hou)采用了不(bu)正確的(de)方式那么(me)將會導致自吸排污(wu)(wu)泵損壞,所帶來的(de)后果是十分嚴重的(de),那么(me)這個(ge)時(shi)候(hou)我們(men)就 。
pvc圍擋護(hu)欄使(shi)用主材和(he)附件(jian)(jian)為塑(su)料(liao)件(jian)(jian),主材使(shi)用聚(ju)氯(lv)乙稀(pvc)強度(du)高的塑(su)料(liao):(柱 帽(mao)、底座罩、裝(zhuang)飾件(jian)(jian)、密(mi)封蓋等(deng))使(shi)用進口(kou)耐老(lao)化的工程塑(su)料(liao)聚(ju)碳酸(suan)酯,韌(ren)性, 其強度(du)能滿足使(shi)用要求(qiu)。傳統的圍檔又(you)稱彩(cai)涂鋼板(ban) 。
液體灌裝機的流程(cheng)一般為:裝有空(kong)瓶(ping)的箱(xiang)(xiang)(xiang)(xiang)子堆放(fang)在托(tuo)盤上,由(you)輸(shu)送(song)(song)帶(dai)(dai)送(song)(song)到(dao)卸(xie)托(tuo)盤機,將(jiang)托(tuo)盤逐個(ge)卸(xie)下,箱(xiang)(xiang)(xiang)(xiang)子隨(sui)輸(shu)送(song)(song)帶(dai)(dai)送(song)(song)到(dao)卸(xie)箱(xiang)(xiang)(xiang)(xiang)機中,將(jiang)空(kong)瓶(ping)從箱(xiang)(xiang)(xiang)(xiang)子中取出,空(kong)箱(xiang)(xiang)(xiang)(xiang)經輸(shu)送(song)(song)帶(dai)(dai)送(song)(song)到(dao)洗箱(xiang)(xiang)(xiang)(xiang)機,經清洗干凈,再輸(shu)送(song)(song)到(dao)裝箱(xiang)(xiang)(xiang)(xiang)機旁,以便將(jiang)盛(sheng)有 。
將(jiang)第(di)二(er)密封(feng)圈(quan)10放置在(zai)(zai)出水口9的(de)上(shang)方,取(qu)另一(yi)組(zu)該(gai)鍍鋅鋼(gang)(gang)管,將(jiang)另一(yi)組(zu)鍍鋅鋼(gang)(gang)管的(de)鋼(gang)(gang)管主體1底部(bu)穿過第(di)二(er)密封(feng)圈(quan)10插接(jie)入出水口9的(de)內部(bu),順時針(zhen)轉動第(di)二(er)螺套11,通過螺紋(wen)將(jiang)第(di)二(er)螺套11嚙合在(zai)(zai)另一(yi)組(zu)鋼(gang)(gang)管的(de)鋼(gang)(gang)管主 。