一、傳動裝置產品 耍求:
該實訓裝置可完成“電機學”、“電機與拖動”、“電機控制”、“交直流調速”等課程實驗大綱的要求。
二、的功能組成追求:
1、該裝制須用(yong)于標準(zhun)電(dian)器(qi)設備安裝柜(ju)(ju)為核心體(ti)柜(ju)(ju)對其進行改進,充分地合理利用(yong)該柜(ju)(ju)單面區(qu)域地位,但(dan)其中那(nei)面存有(you)電(dian)源線(xian)線(xian)抑制、交整流電(dian)源線(xian)線(xian)、側量多功能儀表(biao)、變頻柜(ju)(ju)器(qi)、底(di)壓電(dian)器(qi)設備元件,另那(nei)面存有(you)2塊(kuai)可更方便取下的網孔板;
2、機電(dian)保(bao)持(chi)層面元(yuan)電(dian)子(zi)器件都裝在機電(dian)銀(yin)行柜臺(tai)板(ban)上,配備(bei)有接(jie)線方法兩(liang)端柱子(zi);借助端子(zi)排大(da)家可(ke)自己接(jie)線方法兩(liang)端,建(jian)立保(bao)持(chi)系統的,有著一些 的發展性;
3、給出過(guo)壓(ya)、過(guo)流(liu)、漏(lou)電(dian)(dian)(dian)保養(yang)(yang)的(de)的(de)交(jiao)(jiao)流(liu)外接電(dian)(dian)(dian)源(yuan)(yuan)電(dian)(dian)(dian)路系(xi)統性,當(dang)如操作柜顯現(xian)(xian)交(jiao)(jiao)流(liu)外接電(dian)(dian)(dian)源(yuan)(yuan)問題(ti)使平(ping)(ping)臺電(dian)(dian)(dian)壓(ya)值(zhi)(zhi)或電(dian)(dian)(dian)壓(ya)超(chao)過(guo)了保養(yang)(yang)的(de)的(de)交(jiao)(jiao)流(liu)外接電(dian)(dian)(dian)源(yuan)(yuan)電(dian)(dian)(dian)路系(xi)統性的(de)極致(zhi)值(zhi)(zhi)時,平(ping)(ping)臺即刻弄斷交(jiao)(jiao)流(liu)外接電(dian)(dian)(dian)源(yuan)(yuan),對人體安會(hui)實現(xian)(xian)很(hen)大(da)的(de)保養(yang)(yang)的(de)的(de)功效(xiao);
三、技木(mu)功能耍求:
1、鍵入相電壓:三相電源(yuan)四線制380V±10%50HZ;
2、的工作區域環境:區域環境高溫區間為-5℃~+40℃相(xiang)對(dui)于水(shui)分子含(han)量(liang)<85%(25℃)海潑<2000m;
3、系(xi)統存儲容(rong)量:并(bing)不(bu)超出1.5KVA;
4、樣貌盡寸:≥800mm×600mm×1800mm(長寬);
5、產品載(zai)重量:約200Kg;
四、調節柜手機配置(zhi)
(一)柜(ju)子:左、右柜壁為單層亞(ya)光密紋噴(pen)塑結構開發,兩面開發,冷扎鋼(gang)板規(gui)格、鋁(lv)質的(de)材質;儲物(wu)柜側面現(xian)有看頁(ye)面,側面帶六個萬向腳輪以便(bian)于移(yi)動端。
(二(er))室內配值板塊:內層空間分格(ge)為(wei)有差異(yi) 部位,構造正(zheng)確,大多數電(dian)器(qi)設備(bei)器(qi)件插(cha)(cha)頭接線處柱(zhu)接插(cha)(cha)件均已引進專業化插(cha)(cha)頭接線處柱(zhu)柱(zhu)上,我們能夠間接接放進行控制(zhi)電(dian)路的(de)接觸,非(fei)常接近實業實踐施(shi)工現(xian)場。
1、交、直流(liu)電電:電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)穩壓(ya)(ya)(ya)阻(zu)源:0-10V,具(ju)備(bei)短路等問(wen)題(ti)軟(ruan)(ruan)(ruan)到一(yi)鍵(jian)找(zhao)回防護(hu)功(gong)能(neng)模塊;安裝(zhuang)有1只聊天電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)表(biao)、1只洽談瞬時(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)表(biao)、相(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)指(zhi)的(de)是更(geng)改面(mian)(mian)板轉換(huan)(huan)(huan)打(da)(da)開(kai);控住(zhu)柜的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力急停功(gong)能(neng)鍵(jian)和轉換(huan)(huan)(huan)打(da)(da)開(kai)面(mian)(mian)板轉換(huan)(huan)(huan)打(da)(da)開(kai)控住(zhu),借助相(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)指(zhi)的(de)是更(geng)改面(mian)(mian)板轉換(huan)(huan)(huan)打(da)(da)開(kai)可依次指(zhi)的(de)是電(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)UUV、UVW、UWU線感(gan)(gan)應(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)值(zhi);要(yao)裝(zhuang)交流(liu)(liu)(liu)會(hui)感(gan)(gan)應(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)表(biao),用(yong)以監(jian)聽短路電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)強(qiang)弱;存在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)抗器每組(zu),電(dian)(dian)(dian)(dian)(dian)(dian)(dian)抗器原(yuan)邊通過多種的(de)接(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源要(yao)加(jia)220V,也能(neng)加(jia)380V學習交流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian),合上電(dian)(dian)(dian)(dian)(dian)(dian)(dian)開(kai)關后,電(dian)(dian)(dian)(dian)(dian)(dian)(dian)抗器副邊能(neng)夠輸出(chu)36V、110V、20V、20V、12V、6.3V的(de)交談直流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)感(gan)(gan)應(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)。給出(chu)過壓(ya)(ya)(ya)、過流(liu)(liu)(liu)、漏電(dian)(dian)(dian)(dian)(dian)(dian)(dian)守(shou)護(hu)好,當如把控好柜會(hui)出(chu)現(xian)外接(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)原(yuan)超時(shi)使操作軟(ruan)(ruan)(ruan)件(jian)(jian)系統直流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)感(gan)(gan)應(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)或(huo)感(gan)(gan)應(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)突破(po)守(shou)護(hu)好控制電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路的(de)人(ren)體(ti)極限(xian)值(zhi)時(shi),操作軟(ruan)(ruan)(ruan)件(jian)(jian)系統及時(shi)鋸斷外接(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)原(yuan),對人(ren)體(ti)用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)安全為(wei)了(le)一(yi)定的(de)的(de)守(shou)護(hu)好用(yong)處;
2、測量(liang)電子測量(liang)儀(yi)器板(ban):供給討論(lun)號碼額(e)定電(dian)壓(ya)表,側(ce)(ce)量(liang)規模為0~500V,四(si)位半數顯(xian)壓(ya)力(li)表;電(dian)流大(da)數字電(dian)壓(ya)值表,側(ce)(ce)量(liang)位置為0~500V,幾(ji)位半數顯(xian)儀表,控制精度為0.5級;直流電(dian)源金額(e)電(dian)流大(da)小(xiao)表,量(liang)測比率為0~2A,九位半數顯(xian)儀表,精確為0.5級;多能力(li)電(dian)力(li)工(gong)程設備,液晶屏幕(mu)上顯(xian)示器屏幕(mu)上顯(xian)示,在測量(liang)三相(xiang)電(dian)源直流電(dian)壓(ya)值、電(dian)壓(ya)值、耗油率因素,耗油率等;
3、電氣公(gong)司(si)器件(jian):保證(zheng)相(xiang)電(dian)壓(ya)萬能(neng)萬能(neng)斷(duan)(duan)路器五只(zhi)鳥,二相(xiang)萬能(neng)萬能(neng)斷(duan)(duan)路器五只(zhi)鳥,相(xiang)電(dian)壓(ya)能(neng)耗(hao)表五只(zhi)鳥、互調節器三只(zhi)、融斷(duan)(duan)器(5A)五只(zhi)(zhi)、互動(dong)電(dian)(dian)接(jie)處(chu)器四只(zhi)(zhi)(含輔助(zhu)軟(ruan)件觸頭)、熱繼電(dian)(dian)氣(qi)二(er)(er)只(zhi)(zhi)、自然數式(shi)耗時繼電(dian)(dian)氣(qi)二(er)(er)只(zhi)(zhi)、打(da)開(kai)(kai)系(xi)(xi)(xi)(xi)統(tong)鍵按(an)鍵打(da)開(kai)(kai)系(xi)(xi)(xi)(xi)統(tong)鍵(常(chang)開(kai)(kai)、常(chang)閉)六只(zhi)(zhi)、急(ji)停打(da)開(kai)(kai)系(xi)(xi)(xi)(xi)統(tong)鍵系(xi)(xi)(xi)(xi)統(tong)鍵1只(zhi)(zhi)、往返打(da)開(kai)(kai)系(xi)(xi)(xi)(xi)統(tong)鍵四只(zhi)(zhi)、繞線電(dian)(dian)動(dong)機變頻調(diao)速電(dian)(dian)阻功率1組、預警信號(hao)燈燈(紅、綠、白、黑)1只(zhi)(zhi)、多系(xi)(xi)(xi)(xi)統(tong)轉(zhuan)化打(da)開(kai)(kai)系(xi)(xi)(xi)(xi)統(tong)鍵1只(zhi)(zhi)、抉擇打(da)開(kai)(kai)系(xi)(xi)(xi)(xi)統(tong)鍵系(xi)(xi)(xi)(xi)統(tong)鍵二(er)(er)只(zhi)(zhi)、互動(dong)電(dian)(dian)輸(shu)出功率表1只(zhi)(zhi)、互動(dong)電(dian)(dian)感(gan)應電(dian)(dian)流表1只(zhi)(zhi)、多系(xi)(xi)(xi)(xi)統(tong)儀(yi)器儀(yi)表1只(zhi)(zhi)等;
4、變頻器包塊:FR-D720S-0.4KW定頻(pin)器(qi),具備(bei)有RS485無線通信接口(kou),搭配變頻(pin)柜器(qi)聯系通信電纜(lan);
5、電流調節輸出模塊:交流電同步電機變頻調速把控培(pei)訓(xun)構件:由(you)專用的動力摸塊、隔(ge)離霜電線等(deng)裝(zhuang)組成(cheng);
6、三相四線(xian)制異步高壓(ya)電機(ji)(帶快(kuai)速繼電(dian)氣):兩(liang)臺,380V、180W;
7、三(san)相四線異步雙速同步電機:單(dan)臺,380V、180W;
8、三相電(dian)機馬達線繞式異步智能機電(dian)機馬達:兩臺(tai),380V、180W;
9、整(zheng)流(liu)(liu)直流(liu)(liu)電(dian)驅(qu)動力:單臺DC220V、50W;
10、轉(zhuan)速比表:單臺,外(wai)置(zhi)手拿式式;
11、理線(xian)架:一個(ge),鋼質(zhi)結(jie)構特(te)征,長(chang)寬≥1200mm×450mm×1200mm(長寬(kuan));
五、實踐教學介紹規定(不(bu)小于下述工作投資項(xiang)目):
調頻(pin)調節方法
1、調頻(pin)器(qi)功能模塊(kuai)規(gui)格放(fang)置(zhi)與工作(zuo)(表面板工作(zuo))
2、交(jiao)流(liu)伺服驅動器功能模(mo)塊數據設定多段效(xiao)率選定 交(jiao)流(liu)交(jiao)流(liu)變頻控速(su)
3、多段(duan)線(xian)速度抉擇(ze)直流變(bian)(bian)頻變(bian)(bian)速
4、電(dian)極(ji)電(dian)阻器(qi)調控(kong)變頻器(qi) 外部電(dian)壓(ya)電(dian)流可控(kong)硅調壓(ya)
5、系統(tong)設計仿真plc習慣的(de)軟啟(qi)動(dong)器(qi)(qi)前饋可控(kong)硅調壓(ya)(有效控(kong)制軟啟(qi)動(dong)器(qi)(qi)外邊電壓(ya)降)
電流(liu)(liu)交流(liu)(liu)接觸器(qi)調速(su)器(qi)技術設備
6、直(zhi)(zhi)流電源(yuan)直(zhi)(zhi)流無刷電機的停止調節(jie)
7、直流變壓(ya)器無刷電機PWM變頻(pin)調速
8、直流電(dian)源高壓電(dian)機外表電(dian)位差(cha)器(qi)調速(su)器(qi)
低(di)壓證書電力實踐教學(xue)
9、380V異步電動三輪機學習(xi)器自(zi)鎖操控電路
10、單相(xiang)異步自驅動力排(pai)斥器點動管控配電線路
11、單相異步智能(neng)機的大規(gui)模掌控
12、了解(jie)器集中調(diao)整的(de)正(zheng)負極轉調(diao)整新(xin)線(xian)路
13、開(kai)關按鈕互鎖的三相電(dian)機(ji)異步電(dian)動四輪(lun)機(ji)使用器(qi)正(zheng)反兩面轉把控好層面
14、選擇性集中保持(chi)的三相四線制異步電(dian)動三輪機正反兩面(mian)轉保持(chi)錢路
15、三相直流無刷(shua)電機線繞式異步(bu)電動式機直流無刷(shua)電機控速管(guan)控方式
16、Y-△打(da)火一鍵把握路(lu)線
17、三相(xiang)四線異步電動伸縮機反接(jie)剎(cha)車系統把控高壓線路
18、三相四線異步(bu)自驅力的先后有(you)效控制
19、工作中臺自動式回(hui)程操(cao)縱錢(qian)路
20、三相主(zhu)軸電機(ji)雙速(su)異步主(zhu)軸電機(ji)操控接電源(yuan)
21、380V電(dian)度表布線
22、電流量電壓(ya)表、電流量表裝控制(zhi)電路
23、電(dian)壓電(dian)流值(zhi)(zhi)互傳(chuan)感(gan)器與(yu)電(dian)壓電(dian)流值(zhi)(zhi)表配些接(jie)線方法
24、全面、萬能轉(zhuan)變成打開和線(xian)額定(ding)電壓表(biao)量測線(xian)額定(ding)電壓接線(xian)兩端
智能化資源共享(xiang)庫
一、企業(ye)產(chan)品論述
本產(chan)品(pin)前提(ti)中國國民共合(he)國勞作改造和勞作改造衛(wei)生行(xing)(xing)業(ye)領(ling)域(yu)基(ji)準(LD/T81.1—2006)《職業(ye)技(ji)能實(shi)(shi)(shi)(shi)(shi)訓(xun)和鑒定設(she)備(bei)通用技(ji)術(shu)規范》與教(jiao)育部有關(guan)專業(ye)教(jiao)學(xue)大綱而設(she)計,內容包括三相異步(bu)機單向(xiang)轉動(dong)控制等(deng)30個實(shi)(shi)(shi)(shi)(shi)訓(xun)項(xiang)(xiang)目(mu)(mu),涵蓋維修電工初級(ji)、中級(ji)、高(gao)(gao)級(ji)主(zhu)(zhu)要(yao)實(shi)(shi)(shi)(shi)(shi)訓(xun)項(xiang)(xiang)目(mu)(mu),每個項(xiang)(xiang)目(mu)(mu)又根據需要(yao)設(she)有實(shi)(shi)(shi)(shi)(shi)訓(xun)目(mu)(mu)的(de)、實(shi)(shi)(shi)(shi)(shi)訓(xun)器件、實(shi)(shi)(shi)(shi)(shi)訓(xun)電路、電路原理、器件布局、元件檢查、通電運行(xing)(xing)、通電運行(xing)(xing)、故(gu)障排(pai)除等(deng)多種訓(xun)練(lian)任(ren)務。軟件以技(ji)能為(wei)(wei)核心(xin),項(xiang)(xiang)目(mu)(mu)為(wei)(wei)引領(ling)、任(ren)務為(wei)(wei)驅動(dong),職場環境為(wei)(wei)背(bei)景(jing),操作步(bu)驟(zou)為(wei)(wei)主(zhu)(zhu)線,學(xue)生交互(hu)訓(xun)練(lian)為(wei)(wei)主(zhu)(zhu)體,具有三維可視化、智能化、全交互(hu)的(de)特點,集職業(ye)性(xing)、情境性(xing)、過(guo)程(cheng)性(xing)、交互(hu)性(xing)于一身,性(xing)價比極高(gao)(gao)。為(wei)(wei)職業(ye)教(jiao)育與技(ji)能實(shi)(shi)(shi)(shi)(shi)訓(xun)、鑒定信息化、現代化提(ti)供了不可或缺的(de)豐富資源。
二、app的特點
1.情(qing)景(jing)模擬性:全部(bu)訓煉(lian)在二維游戲場景(jing)下做,學(xue)生(sheng)黨(dang)就(jiu)像進去(qu)真是的(de)工作的(de)直播,真是感極(ji)具(ju),填補了下直播難的(de)困難重(zhong)重(zhong)。
2.階段性(xing)(xing):小軟件以(yi)(yi)(yi)技能效(xiao)果為核心(xin)理念,以(yi)(yi)(yi)裝修工程(cheng)工序側重(zhong)于線,以(yi)(yi)(yi)技術(shu)應用標準(zhun)為指(zhi)導(dao)意(yi)見,以(yi)(yi)(yi)設(she)備與(yu)平臺的運行(xing)為根(gen)本,注重(zhong)習慣(guan)性(xing)(xing)訓煉(lian),兼有很大的方便使用性(xing)(xing)。
3.人機(ji)交互(hu)技術:圖片軟(ruan)件推進以畢業生(sheng)為主導(dao)體的理論,具有(you)培(pei)訓目(mu)標、培(pei)訓功率(lv)元(yuan)(yuan)器件、培(pei)訓控制(zhi)電(dian)線(xian)、功率(lv)元(yuan)(yuan)器件戰略布(bu)局(ju)、模型模擬運動、控制(zhi)電(dian)線(xian)接電(dian)源等,一方面都(dou)可以供講師主要包括應(ying)用場景壞境多(duo)媒體演示教法,更都(dou)可以在互(hu)聯網壞境下由畢業生(sheng)獨立地確定過程(cheng)與警(jing)告基本操作,體現(xian)了裝備體能(neng)訓練(lian)。
4.有(you)序性性:系統受到重視(shi)教(jiao)法(fa)設計構思,各個的知(zhi)識與新(xin)技(ji)能(neng)單元富(fu)含就其教(jiao)法(fa)資源(yuan)的、系統故障檢(jian)驗、控制提醒、枝術了解等(deng)很(hen)多種案例和新(xin)技(ji)能(neng)體能(neng)訓(xun)練教(jiao)法(fa)模塊電(dian)源(yuan)。
5.圖片軟(ruan)件享有就業性、案例(li)性、交(jiao)流互動(dong)行為性、技術性和智慧性。
6.在構(gou)思(si)(si)構(gou)思(si)(si)上,進行級(ji)別(bie)劃分摸塊化構(gou)思(si)(si)構(gou)思(si)(si),結構(gou)設計清淅、更加方(fang)便協同。
7.在校園媒體癥狀(zhuang)上,主要包括二(er)維、二(er)維動畫片,具(ju)有著激烈的(de)場景設計帶(dai)進去感。
8.在游戲文章設定(ding)上,爭(zheng)取變現專業(ye)技(ji)(ji)術(shu)的(de)(de)(de)與(yu)中小型(xing)企業(ye)生(sheng)產的(de)(de)(de)的(de)(de)(de)工作崗位(wei)的(de)(de)(de)項(xiang)目交(jiao)(jiao)接(jie)、實踐教(jiao)程游戲文章與(yu)的(de)(de)(de)職(zhi)業(ye)技(ji)(ji)能規(gui)范(fan)標準的(de)(de)(de)項(xiang)目交(jiao)(jiao)接(jie)、實踐教(jiao)程環節與(yu)生(sheng)產的(de)(de)(de)的(de)(de)(de)環節的(de)(de)(de)項(xiang)目交(jiao)(jiao)接(jie)、專業(ye)技(ji)(ji)術(shu)的(de)(de)(de)教(jiao)程與(yu)的(de)(de)(de)職(zhi)業(ye)技(ji)(ji)能資格等級證書(shu)等級證書(shu)的(de)(de)(de)項(xiang)目交(jiao)(jiao)接(jie)。
9.本圖(tu)(tu)片圖(tu)(tu)片軟件(jian)不行充(chong)當實踐(jian)教(jiao)法app,其巨大(da)的作用動畫視(shi)頻親身演示也行充(chong)當助課(ke)型圖(tu)(tu)片圖(tu)(tu)片軟件(jian)素材庫(ku)app于課(ke)堂中教(jiao)法方式。
10.以(yi)(yi)新項目(mu)為引領者、以(yi)(yi)目(mu)標(biao)為驅動(dong)包、以(yi)(yi)工藝流程步奏(zou)居多線的開(kai)發管理(li)理(li)念。
11.材料大量,可服務質量于(yu)多(duo)樣教(jiao)法(fa)機制。
12.資原(yuan)(yuan)魂晶(jing)化,每一家模組可獨特(te),體現資原(yuan)(yuan)的能夠(gou)憑借。
13.哪幾個(ge)輸出模塊的(de)資(zi)源詳細、系(xi)統(tong)化(hua),熟知維修保養電工維修目標能力(li)的(de)效(xiao)果。
14.看(kan)重教(jiao)育教(jiao)學方案,把具像的(de)的(de)產(chan)品概(gai)念(nian)兩個(ge)絕對化、把一個(ge)的(de)的(de)產(chan)品概(gai)念(nian)事實上化。
三、軟件下載模塊(kuai)請(qing)求
1.兼具教學(xue)過程游歷功能鍵
(1)包含(han)的教學內容:要求認(ren)識電路(lu)、器件;要求認(ren)識現場設施設備器材器件。
(2)實(shi)(shi)現(xian)的(de)教學(xue)目(mu)標:實(shi)(shi)現(xian)對(dui)現(xian)場(chang)環(huan)境(jing)、設(she)備設(she)施(shi)的(de)初步(bu)(bu)認(ren)識(shi)(shi);實(shi)(shi)現(xian)對(dui)現(xian)場(chang)作業(ye)程序的(de)初步(bu)(bu)認(ren)識(shi)(shi);實(shi)(shi)現(xian)對(dui)現(xian)場(chang)安全生產(chan)的(de)初步(bu)(bu)認(ren)識(shi)(shi);實(shi)(shi)現(xian)對(dui)現(xian)場(chang)生產(chan)氛圍(wei)的(de)初步(bu)(bu)感受。
(3)實(shi)現的(de)教學(xue)效果:要求對現場環境產生較深刻的(de)印象,解決(jue)(jue)專業認(ren)(ren)識性實(shi)習課題;實(shi)現對現場設(she)施、設(she)備初步認(ren)(ren)識,解決(jue)(jue)崗位認(ren)(ren)識性實(shi)習課題。
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