歡迎來到上海上益教育設備制造有限公司
021-51391087
上海上益教育設備制造有限公司
服務熱線:
021-51391082
021-51391083
SYDJB-01型電機?變壓器維修及檢測實訓裝置
2019-07-23 06:29:14
20521次訪問

變頻(pin)電動機?箱(xiang)式(shi)變壓器維修保養及測量實(shi)踐教(jiao)學控制(zhi)系(xi)統

一、分析

本裝置設施(shi)是來(lai)220V低壓(ya)變壓(ya)器、220V電(dian)(dian)(dian)(dian)容(rong)(電(dian)(dian)(dian)(dian)容(rong)器)日(ri)常運(yun)轉異步直(zhi)流(liu)電(dian)(dian)(dian)(dian)傾向和(he)三相電(dian)(dian)(dian)(dian)源鼠籠異步直(zhi)流(liu)電(dian)(dian)(dian)(dian)傾向的(de)改造(zao)違建、重(zhong)繞、組(zu)裝、檢(jian)(jian)(jian)修(xiu)(xiu)保養和(he)直(zhi)流(liu)無(wu)(wu)刷變頻(pin)電(dian)(dian)(dian)(dian)動機(ji)生(sheng)產日(ri)期的(de)檢(jian)(jian)(jian)測(ce)的(de)水(shui)平實踐電(dian)(dian)(dian)(dian)商(shang)平臺,可對同學(xue)在直(zhi)流(liu)無(wu)(wu)刷變頻(pin)電(dian)(dian)(dian)(dian)動機(ji)改造(zao)違建、重(zhong)繞、組(zu)裝及檢(jian)(jian)(jian)修(xiu)(xiu)保養各(ge)方面(mian)來(lai)水(shui)平鍛煉。適用性(xing)于機(ji)水(shui)高壓(ya)高壓(ya)電(dian)(dian)(dian)(dian)工(gong)程(cheng)技(ji)術專(zhuan)(zhuan)業(ye)(ye)三合一化(hua)、自己化(hua)及涉及到的(de)組(zu)合件(jian)技(ji)術專(zhuan)(zhuan)業(ye)(ye)的(de)《直(zhi)流(liu)無(wu)(wu)刷變頻(pin)電(dian)(dian)(dian)(dian)動機(ji)加工(gong)新(xin)工(gong)藝》《直(zhi)流(liu)無(wu)(wu)刷變頻(pin)電(dian)(dian)(dian)(dian)動機(ji)檢(jian)(jian)(jian)修(xiu)(xiu)保養》《直(zhi)流(liu)無(wu)(wu)刷變頻(pin)電(dian)(dian)(dian)(dian)動機(ji)測(ce)式》等課程(cheng)體系,相結合機(ji)械化(hua)工(gong)業(ye)(ye)品出書社和(he)國內(nei)(nei)工(gong)作安全保障部(bu)(bu)《各(ge)國職(zhi)業(ye)(ye)選擇化(hua)條件(jian)—檢(jian)(jian)(jian)修(xiu)(xiu)保養水(shui)高壓(ya)高壓(ya)電(dian)(dian)(dian)(dian)工(gong)》《職(zhi)業(ye)(ye)選擇化(hua)水(shui)平檢(jian)(jian)(jian)測(ce)學(xue)習培訓數(shu)學(xue)教材—檢(jian)(jian)(jian)修(xiu)(xiu)保養水(shui)高壓(ya)高壓(ya)電(dian)(dian)(dian)(dian)工(gong)》等涉及到的(de)內(nei)(nei)部(bu)(bu),同一時間用做為基礎、中(zhong)級考試、初中(zhong)級檢(jian)(jian)(jian)修(xiu)(xiu)保養水(shui)高壓(ya)高壓(ya)電(dian)(dian)(dian)(dian)工(gong)的(de)登級判斷與檢(jian)(jian)(jian)測(ce)的(de)設施(shi)。

二、的技術要求值

1、輸(shu)入(ru)電(dian)流:三(san)相電(dian)源(yuan)四線制~380V±10% 50Hz

2、工(gong)作中(zhong)的(de)區域:的(de)區域平均(jun)(jun)體溫(wen)區域為-5~+40℃ 對于平均(jun)(jun)體溫(wen)<85%(25℃

) 3、設(she)施容積:<1.5KVA 4、外觀設(she)計長度:1300mm×750mm×1300mm

三、部件的添置

1、開(kai)關(guan)電源調控(kong)屏(ping)(ping) 調控(kong)屏(ping)(ping)為鐵(tie)質(zhi)三(san)層亞光密紋(wen)噴塑組成部分,鋁質(zhi)顯示屏(ping)(ping)

2、培訓(xun)(xun)(xun)桌 培訓(xun)(xun)(xun)書桌上方(fang)附有防(fang)消除靜電(dian)絕緣帶(dai)膠墊,從而(er)容易繞(rao)線(xian)和培訓(xun)(xun)(xun)室的治(zhi)理(li),將手動式式電(dian)子技術運算線(xian)繞(rao)機進行固定(ding)在電(dian)腦(nao)桌表面(mian),桌上下面(mian)擁有防(fang)止鋁線(xian)的繞(rao)線(xian)柜。

3、主要系(xi)統(tong)模塊(kuai)板(ban)(ban) (1)相(xiang)端(duan)電(dian)(dian)阻(zu)(zu)值(zhi)四線供電(dian)(dian)插(cha)入,經漏電(dian)(dian)守護器(qi)(qi)和總蓋板(ban)(ban)開(kai)關,由觸碰器(qi)(qi)憑借起、停按(an)鍵按(an)照(zhao)操(cao)作流程,并開(kai)設急停控住按(an)鍵。 (2)控住屏蓋板(ban)(ban)上開(kai)設游針(zhen)式互(hu)動(dong)互(hu)動(dong)端(duan)電(dian)(dian)阻(zu)(zu)值(zhi)表三只,觀察相(xiang)端(duan)電(dian)(dian)阻(zu)(zu)值(zhi)電(dian)(dian)力網端(duan)電(dian)(dian)阻(zu)(zu)值(zhi)。 (3)相(xiang)端(duan)電(dian)(dian)阻(zu)(zu)值(zhi)可(ke)手(shou)動(dong)調(diao)節式互(hu)動(dong)互(hu)動(dong)供電(dian)(dian),憑借1.5KVA相(xiang)端(duan)電(dian)(dian)阻(zu)(zu)值(zhi)同軸自耦調(diao)壓器(qi)(qi)按(an)照(zhao)調(diao)壓,可(ke)讀取相(xiang)端(duan)電(dian)(dian)阻(zu)(zu)值(zhi)0~450V及(ji)220V0~250V可(ke)手(shou)動(dong)調(diao)節式端(duan)電(dian)(dian)阻(zu)(zu)值(zhi)。 (4)整(zheng)流供電(dian)(dian)地(di)方: 220V/0.5A整(zheng)流供電(dian)(dian)組(zu),還是出(chu)現(xian)(xian)虛接守護系(xi)統(tong)模塊(kuai)。 0~250V可(ke)手(shou)動(dong)調(diao)節式整(zheng)流直(zhi)流電(dian)(dian)供電(dian)(dian)組(zu),帶有過壓守護及(ji)出(chu)現(xian)(xian)虛接守護系(xi)統(tong)模塊(kuai)。

4、智(zhi)慧(hui)儀表(biao)(biao)(biao)(biao)實用功(gong)(gong)能板 (1)提生聊天字母(mu)9工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)瞬時(shi)工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)流表(biao)(biao)(biao)(biao)三只,檢測(ce)條(tiao)件(jian)(jian)0~5A,精(jing)(jing)密度(du)(du)等(deng)(deng)級(ji)(ji)(ji)(ji)0.5級(ji)(ji)(ji)(ji),四位半(ban)數(shu)(shu)顯儀表(biao)(biao)(biao)(biao)壓(ya)(ya)(ya)力表(biao)(biao)(biao)(biao)儀表(biao)(biao)(biao)(biao)。 (2)瞬時(shi)工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)流字母(mu)9毫安(an)表(biao)(biao)(biao)(biao)另(ling)一(yi)直(zhi):檢測(ce)條(tiao)件(jian)(jian)0~2000mA,四位半(ban)數(shu)(shu)顯儀表(biao)(biao)(biao)(biao)壓(ya)(ya)(ya)力表(biao)(biao)(biao)(biao)儀表(biao)(biao)(biao)(biao),精(jing)(jing)密度(du)(du)等(deng)(deng)級(ji)(ji)(ji)(ji)0.5級(ji)(ji)(ji)(ji)。 (3)智(zhi)慧(hui)工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)端(duan)的(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)、工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)端(duan)的(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)條(tiao)件(jian)(jian)表(biao)(biao)(biao)(biao)另(ling)一(yi)直(zhi):由套微(wei)我的(de)電(dian)(dian)(dian)(dian)腦,髙速、高精(jing)(jing)密度(du)(du)等(deng)(deng)級(ji)(ji)(ji)(ji)A/D改(gai)換(huan)集成三極管芯片和(he)全數(shu)(shu)顯儀表(biao)(biao)(biao)(biao)壓(ya)(ya)(ya)力表(biao)(biao)(biao)(biao)儀表(biao)(biao)(biao)(biao)三極管組成部分。確認鍵控(kong)(kong)、數(shu)(shu)顯儀表(biao)(biao)(biao)(biao)壓(ya)(ya)(ya)力表(biao)(biao)(biao)(biao)儀表(biao)(biao)(biao)(biao)機(ji)會做(zuo)到組排溝通的(de)智(zhi)慧(hui)控(kong)(kong)制模式,。只為提生檢測(ce)條(tiao)件(jian)(jian)和(he)測(ce)驗精(jing)(jing)密度(du)(du)等(deng)(deng)級(ji)(ji)(ji)(ji),將(jiang)被測(ce)端(duan)的(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)、工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)瞬時(shi)工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)流瞬時(shi)值的(de)送樣信號(hao)燈(deng)經A/D更改(gai),分為最(zui)新的(de)DSP技(ji)藝折(zhe)算有(you)功(gong)(gong)工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)端(duan)的(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)、無功(gong)(gong)工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)端(duan)的(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya),工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)端(duan)的(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)表(biao)(biao)(biao)(biao)精(jing)(jing)密度(du)(du)等(deng)(deng)級(ji)(ji)(ji)(ji)為0.5級(ji)(ji)(ji)(ji),端(duan)的(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)、工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)瞬時(shi)工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)流量限(xian)各(ge)為450V、5A,可檢測(ce)額(e)(e)定電(dian)(dian)(dian)(dian)機(ji)負(fu)(fu)載(zai)的(de)有(you)功(gong)(gong)工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)端(duan)的(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)、無功(gong)(gong)工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)端(duan)的(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)、工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)端(duan)的(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)條(tiao)件(jian)(jian)及(ji)額(e)(e)定電(dian)(dian)(dian)(dian)機(ji)負(fu)(fu)載(zai)的(de)性;還就能夠(gou)日常的(de)儲存、紀(ji)要15組工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)端(duan)的(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)和(he)工(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)端(duan)的(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)條(tiao)件(jian)(jian)的(de)測(ce)驗結論動態數(shu)(shu)據,并可逐組檢查。 (4)單相電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)解(jie)濾波(bo)電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器正常運轉自(zi)驅力電(dian)(dian)(dian)(dian)解(jie)濾波(bo)電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器:4uF/450V CBB電(dian)(dian)(dian)(dian)解(jie)濾波(bo)電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)器。 (5)雙刀雙擲控(kong)(kong)制開(kai)關(guan)另(ling)一(yi)直(zhi)。 (6)可變(bian)電(dian)(dian)(dian)(dian)容(rong)(rong)(rong):多(duo)組0~900Ω/0.5A可變(bian)電(dian)(dian)(dian)(dian)容(rong)(rong)(rong)。

5、醫(yi)療儀(yi)器配發(fa) (1)500V等級兆(zhao)歐(ou)表(biao)另一直,用以測驗變頻電(dian)(dian)(dian)動機電(dian)(dian)(dian)機繞線耐壓阻值(zhi) (2)890B+數字(zi)式(shi)萬用表(biao),3位(wei)半表(biao)現(xian) (3)鉗形電(dian)(dian)(dian)流量表(biao)另一直

6、制做儀(yi)器、三(san)相電(dian)源電(dian)機(ji)的(de)等(deng)合理(li)配置 (1)拆、裝的(de)工具一個:6寸三(san)爪拉馬、活躍螺絲刀、高鉻合金(jin)錘頭(tou)、劃線(xian)板(ban)、并(bing)線(xian)板(ban)、一把剪刀等(deng)。 (2)繞(rao)(rao)線(xian)提升裝置一個:三(san)相電(dian)源電(dian)機(ji)的(de)繞(rao)(rao)線(xian)模、繞(rao)(rao)線(xian)軸、繞(rao)(rao)線(xian)架、并(bing)線(xian)架等(deng) (3)手動式網絡記(ji)(ji)數(shu)(shu)繞(rao)(rao)線(xian)機(ji)一個:數(shu)(shu)顯儀(yi)表區(qu)間0~9999匝(za)數(shu)(shu),記(ji)(ji)數(shu)(shu)明確、記(ji)(ji)數(shu)(shu)利于(yu) (4)未(wei)(wei)浸(jin)漆的(de)二(er)相配電(dian)變壓(ya)器:儲存量100VA,電(dian)阻值(zhi)AC220V/55V,感應(ying)感應(ying)電(dian)流0.45A/1.8A。 (5)未(wei)(wei)浸(jin)漆的(de)二(er)相電(dian)阻運作異(yi)步電(dian)動式伸縮機(ji):額定值(zhi)的(de)瓦數(shu)(shu)120W,電(dian)阻值(zhi)220V,感應(ying)感應(ying)電(dian)流1A,帶速1420r/min。 (6)未(wei)(wei)浸(jin)漆的(de)三(san)相電(dian)源鼠籠異(yi)步電(dian)動式伸縮機(ji):額定值(zhi)的(de)瓦數(shu)(shu)180W,電(dian)阻值(zhi)380V(Y接法),帶速1400r/min。

7、實踐教學絞線及零配件 應用高可(ke)以信(xin)賴電絕(jue)緣(yuan)護套組(zu)成部分手槍插進行連(lian)接法(不來源于很多(duo)漏電的很有可(ke)能),上面應用無氧銅(tong)抽絲而成發質(zhi)絲般細的多(duo)股(gu)線,起到超(chao)軟(ruan)基(ji)本原(yuan)則,承包丁晴(qing)聚(ju)氯氯乙烯電絕(jue)緣(yuan),還(huan)具有比較柔(rou)軟(ruan)、耐壓(ya)性高、抗彎(wan)強度大(da)、防硬底化、堅(jian)韌好等缺點(dian)有哪些,插銷應用實芯銅(tong)質(zhi)件長外(wai)套鈹(pi)輕銅(tong)彈片,接受優質(zhi)產品。

四、實踐教學內容

(一(yi))三(san)相變(bian)(bian)頻器低(di)壓配電(dian)(dian)(dian)(dian)變(bian)(bian)電(dian)(dian)(dian)(dian)器檢(jian)測(ce)及(ji)檢(jian)查 1.低(di)壓配電(dian)(dian)(dian)(dian)變(bian)(bian)電(dian)(dian)(dian)(dian)器拆出前的數據(ju)源日(ri)志與計算方式 2.低(di)壓配電(dian)(dian)(dian)(dian)變(bian)(bian)電(dian)(dian)(dian)(dian)器的拆出 3.低(di)壓配電(dian)(dian)(dian)(dian)變(bian)(bian)電(dian)(dian)(dian)(dian)器的電(dian)(dian)(dian)(dian)機繞(rao)線繞(rao)制(zhi) 4.低(di)壓配電(dian)(dian)(dian)(dian)變(bian)(bian)電(dian)(dian)(dian)(dian)器裝設 5.絕緣層阻值檢(jian)查 6.整流阻值檢(jian)查 7.低(di)壓配電(dian)(dian)(dian)(dian)變(bian)(bian)電(dian)(dian)(dian)(dian)器重名端判(pan)別(bie) 8.低(di)壓配電(dian)(dian)(dian)(dian)變(bian)(bian)電(dian)(dian)(dian)(dian)器變(bian)(bian)比檢(jian)查 9.低(di)壓配電(dian)(dian)(dian)(dian)變(bian)(bian)電(dian)(dian)(dian)(dian)器滿載(zai)自(zi)動運(yun)行 10.低(di)壓配電(dian)(dian)(dian)(dian)變(bian)(bian)電(dian)(dian)(dian)(dian)器斷路

(二)兩(liang)相(xiang)(xiang)電(dian)(dian)智(zhi)(zhi)能(neng)機(ji)(ji)保養及測量 1.兩(liang)相(xiang)(xiang)電(dian)(dian)濾波電(dian)(dian)容運行業務智(zhi)(zhi)能(neng)機(ji)(ji)改(gai)造(zao)房屋前的參(can)數備案(an)與(yu)估算(suan) 2.兩(liang)相(xiang)(xiang)電(dian)(dian)異(yi)步智(zhi)(zhi)能(neng)機(ji)(ji)的改(gai)造(zao)房屋 3.兩(liang)相(xiang)(xiang)電(dian)(dian)智(zhi)(zhi)能(neng)機(ji)(ji)電(dian)(dian)機(ji)(ji)定子繞(rao)制(zhi) 4.兩(liang)相(xiang)(xiang)電(dian)(dian)變電(dian)(dian)器的制(zhi)造(zao) 5.電(dian)(dian)絕緣熱(re)敏(min)電(dian)(dian)阻性(xing)能(neng)功率測量 6.直流電(dian)(dian)源熱(re)敏(min)電(dian)(dian)阻功率測量 7.兩(liang)相(xiang)(xiang)電(dian)(dian)異(yi)步智(zhi)(zhi)能(neng)機(ji)(ji)負(fu)載 8.兩(liang)相(xiang)(xiang)電(dian)(dian)異(yi)步智(zhi)(zhi)能(neng)機(ji)(ji)短(duan)路等問題

(三)180W單(dan)相(xiang)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)四(si)(si)(si)(si)線(xian)(xian)制(zhi)鼠(shu)(shu)(shu)(shu)籠(long)式(shi)(shi)(shi)異(yi)步(bu)(bu)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)的修剪及測(ce)式(shi)(shi)(shi) 1.單(dan)相(xiang)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)四(si)(si)(si)(si)線(xian)(xian)制(zhi)鼠(shu)(shu)(shu)(shu)籠(long)式(shi)(shi)(shi)異(yi)步(bu)(bu)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)拆(chai)掉前的數據源記下(xia)與計(ji)算出來 2.單(dan)相(xiang)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)四(si)(si)(si)(si)線(xian)(xian)制(zhi)鼠(shu)(shu)(shu)(shu)籠(long)式(shi)(shi)(shi)異(yi)步(bu)(bu)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)的拆(chai)掉 3.單(dan)相(xiang)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)四(si)(si)(si)(si)線(xian)(xian)制(zhi)鼠(shu)(shu)(shu)(shu)籠(long)式(shi)(shi)(shi)異(yi)步(bu)(bu)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)定子繞制(zhi) 4.單(dan)相(xiang)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)四(si)(si)(si)(si)線(xian)(xian)制(zhi)鼠(shu)(shu)(shu)(shu)籠(long)式(shi)(shi)(shi)異(yi)步(bu)(bu)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)組裝 5.耐壓(ya)內(nei)阻(zu)(zu)測(ce)式(shi)(shi)(shi) 6.直(zhi)流變壓(ya)器內(nei)阻(zu)(zu)測(ce)式(shi)(shi)(shi) 7.單(dan)相(xiang)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)四(si)(si)(si)(si)線(xian)(xian)制(zhi)鼠(shu)(shu)(shu)(shu)籠(long)式(shi)(shi)(shi)異(yi)步(bu)(bu)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)定子首端部(bu)判別 8.單(dan)相(xiang)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)四(si)(si)(si)(si)線(xian)(xian)制(zhi)鼠(shu)(shu)(shu)(shu)籠(long)式(shi)(shi)(shi)異(yi)步(bu)(bu)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)負載 9.單(dan)相(xiang)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)四(si)(si)(si)(si)線(xian)(xian)制(zhi)鼠(shu)(shu)(shu)(shu)籠(long)式(shi)(shi)(shi)異(yi)步(bu)(bu)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)短路故障


上一條:
下一條:
相關產品
相關新聞
  • 上海上益教育設備制造有限公司
  • 工廠地址:上海市松江區葉榭鎮葉榮路26號
  • 公司電郵:sy3131@vip.163.com
  • 公司郵編:201609
  • 聯系電話:021-51391082 陳小姐
  • 聯系電話:021-51391083(鐘先生)
  • 聯系電話:021-51391089 (朱先生)
  • 傳 真:021-51391085
  • 二維碼
    企業主站點:
    備案注銷號: 版權所有?上海上益教育設備制造有限公司
    不良信息舉報電話:400-8286-855 舉報郵箱:kefu@qinxin.com
    在線留言
    在線客服
    熱線電話
    欧美日韩在线免费_欧美日本亚洲_日本一区二区三区在线观看视频_欧美日韩国产综合在线小说 欧美日韩在线免费_欧美日本亚洲_日本一区二区三区在线观看视频_国产无套免费网站 欧美日韩在线免费_欧美日本亚洲_日本一区二区三区在线观看视频_欧美韩国日本在线

    887--------m.mm3w.cn

    242--------m.prvr.cn

    187--------m.mctnf.cn

    773--------m.hjxxg.cn

    860--------m.nenbinen.cn

    66--------m.abvd.cn

    139--------m.wangbaoguo.cn

    51--------m.axrd.cn

    662--------m.17xunlei.cn

    1030--------m.q45545.cn