电机传动实训台
优秀文章由来：wanbsy.com导入：中人教仪厂时候：2020-09-07 10:24
培训游戏内容
1. 触模屏实训
Ø 触模屏与PLC之间的通信
Ø 触模屏监督电机的运转状况和节制电机的运转参数
Ø 基于触摸屏→PLC→数字伺服（步进驱动）体例的运转曲线组态显现节制
Ø 基于触摸屏→PLC→交直流电机体例的运转曲线组态显现节制
2. PLC操练
Ø 根基指令编程操练
Ø 高等指令编程实训
Ø PID节制指令操纵实训
Ø 操纵PLC节制（脉冲、摹拟量），步进电机、变频器、伺服电机、直流无刷电机
Ø 用PLC收罗各类旌旗灯号
Ø PLC收罗扭转编码器旌旗灯号
3. 三相异步电机
Ø 变频器功效参数设置与操纵
Ø 变频器报警与掩护功效
Ø 多段速率挑选变频调速
Ø 外部端子点动节制
Ø 节制电机运转时候操纵
Ø 节制电机正反转活动节制
Ø 外部摹拟量（电压/电流）变频调速
Ø 三相异步电机的变频器闭环调速
4. 步进电机
Ø 启动特征的研讨：经由进程PLC点窜频次，运转频次加快时候及运转长度，察看运转特征。
Ø 细分特征研讨：经由进程细分拔码开关转变细分，察看步进电机在低速运转时的振动和噪声变更，把握细分意思和若何计较细分距角
Ø 脱机旌旗灯号感化研讨
Ø 驱动电压的影响
Ø 驱动电流的影响
5. 伺服电机
Ø 地位形式：经由进程PLC点窜启动频次，运转频次，加加速时候和运转长度，察看电机运转特征
Ø 速率形式1：将伺服电机的节制形式调剂为速率形式的外部节制体例，经由进程PLC的摹拟量节制伺服电机的运转，学会若何调速零飘、加加速的调剂、速率增益和输出增益的调剂，节制零速钳位端口领会它的感化，经由进程编码器反应做闭环实现地位节制并经由进程人机界面停止地位和速率的显现
Ø 速率形式2：将伺服电机的节制形式调剂为速率形式的外部节制体例，经由进程PLC的脉冲输出和摹拟量输出节制电机的速率和地位，两个形式经由进程PLC的输出点来切换，经由进程这个实训能够领会伺服ON与形式切换之间的干系，经由进程PLC编程加深对伺服运转的懂得
Ø 地位速率形式：将伺服电机的节制形式调剂为地位速率形式，经由进程PLC的脉冲输出和摹拟量输出节制电机的速率和地位，两个形式经由进程PLC的输出点来切换，经由进程这个实训能够领会伺服电机ON与形式切换之间的干系，经由进程PLC编程加深对伺服运转的懂得
6. 直流无刷电机
Ø 外部电位器调速：调理电位器使速率由慢到快，察看电机在低速和高速和运转特征，比拟与变频、伺服的区分
Ø 摹拟量调速：PLC摹拟量输出节制电机的速率，编码器反应作为速率地位反应，实现低精度的定位。经由进程正反向节制端子节制转向
7. 各类传感器及编码器实训
Ø 光电、电感、电容传感器的操纵
Ø 扭转编码器的操纵
8. 皮带保送带电机综合节制（PLC、触摸屏、异步电机、直流无刷电机、编码盘）
9. 丝杠传动综合节制（PLC、触摸屏、步进电机、伺服电机）
10. 动弹摆台定位节制（PLC、触摸屏、步进电机、伺服电机）
结果苏州特色
1. 主轴电机特征英文常试台无机融会了机器、电气、传感器、交换电机变频调速、直流无刷电机节制、步进电机驱动节制、伺服电机驱动节制、能展开使命驱动的名目讲授。
2. 全体布局接纳开放式和拆装式，具备较着的脱手拆装实训功效，能够拆装到各零部件及每颗藐小的螺丝，能很好的办事于名目实训讲授；能按照差别的使命改换组合模块，具备很强的重组性，使讲授或比赛时可便利的挑选须要的模块，很是合适泛博职业院校主动化手艺实训需要。
3. 用于实训讲授，可按使命进程导向、工学连系的形式计划讲授勾当，可实现多种产业现场环境下的手艺培训使命。
4. 该实训查核装配PLC模块I/O端子、变频器接线端子、各经常利用模块接线端子，均接纳宁静型插座，利用带宁静插头的导线停止电路毗连；各指令开关、光电开关🍨、传感器和唆使元件的电路经由进程端子排停止毗连。插拔线毗连电路与端子排毗连电路相连系，既保障先生根基手艺的操😼练、构成和稳固，又保障电路毗连的疾速、宁静和靠得住。
表1：之(zhi)基装(zhuang)置设(she)备摆才表（绝配欧姆(mu﷽)龙风险管(guan)理体系）
| 编号 | 光环 | 金(jin)桥铜业跨(kua)接线(xian)的(de)截面积大小 | 状况 | 政(zheng)府部门 | 注(zhu) |
| 1 | 神圣职责台 | 1200mm×800mm×800mm | 1 | 张 | |
| 2 | simensPLC | CPU ST30(DC/DC/DC) 18路(lu)数字化(huaꩵ)量(liang)输(shu)送/12路(lu)结晶管输(shu)送，EM AM06 4路(lu)摹拟(ni)量(liang)输(shu)送/2路(lu)摹拟(ni)量(liang)输(shu)送 | 1 | 台 | |
| 3 | simens调频器 | MM420 工(gong)率≥0.75kW | 1 | 台 | |
| 4 | 电输出模块 | 相(xiang)电(dian)(dian)(dian)压电(dian)(dian)(dian)源(yuan)开关(guan)线总启闭（带泄电(dian)(dian)(dian)和串电(dian)(dian)(dian)挡拆）1个大概、熔丝器3只、单相(xi𒊎ang)电(dian)(dian)(dian)三极电(dian)(dian)(dian)源(yuan)开关(guan)线电(dian)(dian)(dian)插板俩个、恬静电(dian)(dian)(dian)插板9个 | 1 | 块(kuai) | |
| 5 | 功(gong)能键(jian)接(jie)口 | 旋(xuan)转触点开关供电(dian)24V/5A 、12V/2A各(ge)(ge)1组、更(geng)换旋(xuan)转触点开关2只(zhi)、回零按(an)健(jian)(jian)（红(hong)、黄(huang)、绿(lv)各(ge)(ge)1只(zhi)）、自锁按(an)健(j꧑ian)(jian)（红(hong)、黄(huang)、绿(lv)各(ge)(ge)1只(zhi)）、24V唆(suo)使(shi)灯（红(hong)黄(huang)绿(lv)各(ge)(ge)2只(zhi)）、急停按(an)健(jian)(jian)1只(zhi)、蜂鸣器1只(zhi) | 1 | 块 | |
| 6 | 步进主(zhu)轴(zhou)电(dian)(dian)机控制(zhi)主(zhu)轴(zhou🧸)电(dian)(dian)机驱动(dong)器(qi)器(qi)控制(zhi)模块 | 相数(shu)：2，步(bཧu)距角： 1.8，外部(bu)电压电流：2.8A，相电阻值：0.8Ω，相电感：1.2mH，坚定电动机扭矩：0.9N·m | 1 | 套(tao) | |
| 7 | 步进驱动程序器马(ma)达驱动程序控制(zhi)模(mo)块 | 其他(ta)的(de)马力：200Wও，其他(ta)ඣ的(de)惯量：0.64N·m，其他(ta)的(de)电机转速(su)：3000r/min，其他(ta)的(de)电流大小：1.6A | 1 | 套 | |
| 8 | 整(zheng)流无(wu)刷发电机驱程信息(xi)模块 |
额外功率：150W，额外电压：AC220V 额外转速：1500r/min，额外转矩：0.955N&midd꧟ot;m，额外电流：0.945 |
1 | 套 | |
| 9 | 触碰(peng)屏摸(mo)块 | 7英尺 文化产业(ye)黑灰色触(chu)控屏 | 1 | 套 | |
| 10 | 同步带(dai)保研(yan)带(dai)机关单位 | 由带式通告带、弯曲项目编码器(qi)(qi)(qi)原(yuan)理(li)、光電调(diao)节器(qi)(qi)(qi)器(qi)(qi)(qi)、电感(gan)调(diao)节器(qi)(qi)(qi)器(qi)(qi)(qi)、电解电容调(diao)节器(qi)(qꦅi)(qi)器(q🐟i)(qi)(qi)、弯曲磁感(gan)应(ying)铁购(gou)成。输送带路程：460mm。 | 1 | 套 | |
| 11 | 滚珠丝杠公(gong)司 | 由滚珠丝杠、精确度(du)裝配、限🎀位(wei)器(qi)感(gan)知器(qi)、挪(nuo)动导块等造成。实力(li)地位(wei)规范阶(jie)段位(wei)移：270mm，反反复(fu)(fu)复(fu)(fu)误差(cha)：0.1mm | 1 | 套 | |
| 12 | 齿轮(lun)蜗杆促(cu)使机企事业单位 | 由涡杆(gan)蜗杆(gan)快(kuai)速(su)机(ji)、刻度尺转(zhuan)配等组合(he)。非常低的(de)噪声(sheng)污染，质量分数ও小，情况通(tong)报输出(chu)功(gong)率(lv)为90-120W，重要(yao)性并能构建转(zhuan)台的(de🤡)切都位规范。 | 1 | 套 | |
| 13 | 接(jie)线柱(zhu)接(jie)插件排 | 机体系的承担器(qi)(qi)、放肆器(qi)(qi)电(dian)源(yua🐈n)电(dian)源(yuan)接(jie)口(kou)(kou)全数引进(jin)操控显示屏(ping)及电(dian)源(yua๊n)电(dian)源(yuan)接(jie)口(kou)(kou)院校，并裝(zhuang)备配(pei)套工程实践绞线。 | 1 | 套 | |
| 14 | 工件的 | 含金属质、朔(shuo)料(liao)零部件 | 1 | 套 | |
| 15 | 主(zhu)机电源线 | 220V三(san)芯电源线线 | 2 | 根 | |
| 16 | 培训绝缘线 | 强电(dian)、强电(dian)毗连高(gao)压导线 | 1 | 套 | |
| 17 | PLC编程学(xue)习(xi)电力电缆(lan) | PC/PPI | 2 | 根 | |
| 18 | 整套搭配系统光盘 | PLC编写程序軟件（DEMO版(ban)）、回收利(li)用(yong)指南、法式风格等 | 1 | 套 | |
| 19 | 服务设施工具 | 物质箱(xiang)：十字长柄螺🦹(luo)(luo)母(mu)垫(dian)(dian)刀、大、中、小(xiao)尺(chi)(chi)寸(cun)只字螺(luo)(luo)母(mu)垫(dian)(dian)刀，中、小(xiao)尺(chi)(chi)寸(cun)十字螺(luo)(luo)母(mu)垫(dian)(dian)刀，机械(xie)钟表(biao)螺(luo)(luo)母(mu)垫(dian)(dian)刀，剥线钳(qian)，尖嘴钳(qian)，铰剪，电(dian)烙铁(tie)，验电(dian)笔，镊子(zi)，勾当活(huo)动扳子(zi)，内(nei)六角活(huo)动扳子(zi) | 1 | 套(tao) |
传统手工艺激活能
1. 输出电源：三相四线（或三相五线）～380V±10% 50Hz
2. 使命环境：温度-10℃～+40℃ 绝对湿度≤85%（25℃） 海拔＜4000m
3. 装配容量：＜1.0kVA
4. 布局尺寸：1200mm×800mm×1300mm
5. 宁静掩护：具备泄电掩护，宁静合适国度规范
化合物慨述
系(xi)(xi)列(lie)(lie)(lie)(lie)(lie)步(bu)(bu)(bu)(bu)进(jin)(jin)(jin)(jin)驱(qu)(qu)(qu)(qu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)器(qi)(qi)电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)无(wu)(wu)刷(shua)交(jiao)(jiao)流(liu)(liu)(liu)(liu)电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)机(ji)(ji)(ji)(ji)马(ma)(ma)(ma)(ma)达(da)(da)放(fang)肆(si)(si)(si)培(pei)训课程(cheng)搭配(pei)图(tu)得(de)到塑钢分布(bu)，其上用配(pei)图(tu)有变换(huan)(huan)系(xi)(xi)列(lie)(lie)(lie)(lie)(lie)步(bu)(bu)(bu)(bu)进(jin)(jin)(jin)(jin)驱(qu)(qu)(qu)(qu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)器(qi)(qi)系(xi)(xi)列(lie)(lie)(lie)(lie)(lie)步(bu)(bu)(bu)(bu)进(jin)(jin)(jin)(jin)驱(qu)(qu)(qu)(qu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)器(qi)(qi)电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)无(wu)(wu)刷(shua)交(jiao)(jiao)流(liu)(liu)(liu)(liu)电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)机(ji)(ji)(ji)(ji)马(ma)(ma)(ma)(ma)达(da)(da)及(ji)(ji)(ji)(ji)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)力机(ji)(ji)(ji)(ji)构(gou)(gou)、步(bu)(bu)(bu)(bu)进(jin)(jin)(jin)(jin)驱(qu)(qu)(qu)(qu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)器(qi)(qi)能够(gou)器(qi)(qi)系(xi)(xi)列(lie)(lie)(lie)(lie)(lie)步(bu)(bu)(bu)(bu)进(jin)(jin)(jin)(jin)驱(qu)(qu)(qu)(qu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)器(qi)(qi)电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)无(wu)(wu)刷(shua)交(jiao)(jiao)流(liu)(liu)(liu)(liu)电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)机(ji)(ji)(ji)(ji)马(ma)(ma)(ma)(ma)达(da)(da)及(ji)(ji)(ji)(ji)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)力机(ji)(ji)(ji)(ji)构(gou)(gou)、电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)无(wu)(wu)刷(shua)系(xi)(xi)列(lie)(lie)(lie)(lie)(lie)步(bu)(bu)(bu)(bu)进(jin)(jin)(jin)(jin)驱(qu)(qu)(qu)(qu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)器(qi)(qi)电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)无(wu)(wu)刷(shua)交(jiao)(jiao)流(liu)(liu)(liu)(liu)电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)机(ji)(ji)(ji)(ji)马(ma)(ma)(ma)(ma)达(da)(da)及(ji)(ji)(ji)(ji)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)力机(ji)(ji)(ji)(ji)构(gou)(gou)、变换(huan)(huan)系(xi)(xi)列(lie)(lie)(lie)(lie)(lie)步(bu)(bu)(bu)(bu)进(jin)(jin)(jin)(jin)驱(qu)(qu)(qu)(qu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)器(qi)(qi)电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)无(wu)(wu)刷(shua)交(jiao)(jiao)流(liu)(liu)(liu)(liu)电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)机(ji)(ji)(ji)(ji)马(ma)(ma)(ma)(ma)达(da)(da)及(ji)(ji)(ji)(ji)机(ji)(ji)(ji)(ji)构(gou)(gou)、手(shou)触显(xian)示屏屏机(ji)(ji)(ji)(ji)构(gou)(gou)、及(ji)(ji)(ji)(ji)A/D D/A机(ji)(ji)(ji)(ji)构(gou)(gou)、及(ji)(ji)(ji)(ji)扭转(zhuan)弹(dan)簧(huang)(huang)弹(dan)簧(huang)(huang)标识号器(qi)(qi)机(ji)(ji)(ji)(ji)构(gou)(gou)、这根牛皮(pi)带保送生机(ji)(ji)(ji)(ji)构(gou)(gou)、滚(gun)(gun)珠丝杆(gan)机(ji)(ji)(ji)(ji)构(gou)(gou)、涡杆(gan)蜗杆(gan)机(ji)(ji)(ji)(ji)构(gou)(gou)。得(de)到制造(zao)业元器(qi)(qi)材，一起、合同(tong)履行器(qi)(qi)、放(fang)肆(si)(si)(si)器(qi)(qi)接口类型开(kai)发，培(pei)训课程(cheng)东西包罗：PLC（字母(mu)量和摹拟量）手(shou)工(gong)艺(yi)，调节器(qi)(qi)器(qi)(qi)及(ji)(ji)(ji)(ji)扭转(zhuan)弹(dan)簧(huang)(huang)弹(dan)簧(huang)(huang)标识号器(qi)(qi)手(shou)工(gong)艺(yi)、电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)无(wu)(wu)刷(shua)系(xi)(xi)列(lie)(lie)(lie)(lie)(lie)步(bu)(bu)(bu)(bu)进(jin)(jin)(jin)(jin)驱(qu)(qu)(qu)(qu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)器(qi)(qi)电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)无(wu)(wu)刷(shua)交(jiao)(jiao)流(liu)(liu)(liu)(liu)电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)机(ji)(ji)(ji)(ji)马(ma)(ma)(ma)(ma)达(da)(da)特(te)(te)(te)性(xing)讨(tao)(tao)论会(hui)、步(bu)(bu)(bu)(bu)进(jin)(jin)(jin)(jin)驱(qu)(qu)(qu)(qu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)器(qi)(qi)能够(gou)器(qi)(qi)系(xi)(xi)列(lie)(lie)(lie)(lie)(lie)步(bu)(bu)(bu)(bu)进(jin)(jin)(jin)(jin)驱(qu)(qu)(qu)(qu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)器(qi)(qi)电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)无(wu)(wu)刷(shua)交(jiao)(jiao)流(liu)(liu)(liu)(liu)电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)机(ji)(ji)(ji)(ji)马(ma)(ma)(ma)(ma)达(da)(da)特(te)(te)(te)性(xing)讨(tao)(tao)论会(hui)、变换(huan)(huan)系(xi)(xi)列(lie)(lie)(lie)(lie)(lie)步(bu)(bu)(bu)(bu)进(jin)(jin)(jin)(jin)驱(qu)(qu)(qu)(qu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)器(qi)(qi)系(xi)(xi)列(lie)(lie)(lie)(lie)(lie)步(bu)(bu)(bu)(bu)进(jin)(jin)(jin)(jin)驱(qu)(qu)(qu)(qu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)器(qi)(qi)电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)无(wu)(wu)刷(shua)交(jiao)(jiao)流(liu)(liu)(liu)(liu)电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)机(ji)(ji)(ji)(ji)马(ma)(ma)(ma)(ma)达(da)(da)特(te)(te)(te)性(xing)讨(tao)(tao)论会(hui)、独特(te)(te)(te)的系(xi)(xi)列(lie)(lie)(lie)(lie)(lie)步(bu)(bu)(bu)(bu)进(jin)(jin)(jin)(jin)驱(qu)(qu)(qu)(qu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)器(qi)(qi)电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)无(wu)(wu)刷(shua)交(jiao)(jiao)流(liu)(liu)(liu)(liu)电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)机(ji)(ji)(ji)(ji)马(ma)(ma)(ma)(ma)达(da)(da)放(fang)肆(si)(si)(si)手(shou)工(gong)艺(yi)、手(shou)触显(xian)示屏屏手(shou)工(gong)艺(yi)、地方及(ji)(ji)(ji)(ji)速度(du)放(fang)肆(si)(si)(si)手(shou)工(gong)艺(yi)、机(ji)(ji)(ji)(ji)气齿轮(lun)传动(dong)(dong)(dong)(dong)(dong)(dong)(dong)系(xi)(xi)统链(lian)（皮(pi)、滚(gun)(gun)珠丝杆(gan)齿轮(lun)传动(dong)(dong)(dong)(dong)(dong)(dong)(dong)系(xi)(xi)统链(lian)及(ji)(ji)(ji)(ji)涡杆(gan)蜗杆(gan)齿轮(lun)传动(dong)(dong)(dong)(dong)(dong)(dong)(dong)系(xi)(xi)统链(lian)）手(shou)工(gong)艺(yi)、组态app软件(jian)监察手(shou)工(gong)艺(yi)等。有立(li)体(ti)感(gan)引擎化(hua)分布(bu)，一起放(fang)肆(si)(si)(si)系(xi)(xi)列(lie)(lie)(lie)(lie)(lie)步(bu)(bu)(bu)(bu)进(jin)(jin)(jin)(jin)驱(qu)(qu)(qu)(qu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)器(qi)(qi)电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)无(wu)(wu)刷(shua)交(jiao)(jiao)流(liu)(liu)(liu)(liu)电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)机(ji)(ji)(ji)(ji)马(ma)(ma)(ma)(ma)达(da)(da)的接电(dian)(dian)(dian)(dian)源开(kai)发，搭配(pei)图(tu)图(tu)片尺(chi)寸系(xi)(xi)统不(bu)同(tong)点(dian)，可确保系(xi)(xi)列(lie)(lie)(lie)(lie)(lie)步(bu)(bu)(bu)(bu)进(jin)(jin)(jin)(jin)驱(qu)(qu)(qu)(qu)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)器(qi)(qi)电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)无(wu)(wu)刷(shua)交(jiao)(jiao)流(liu)(liu)(liu)(liu)电(dian)(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)机(ji)(ji)(ji)(ji)马(ma)🌸(ma)(ma)(ma)达(da)(da)变换(huan)(huan)，放(fang)肆(si)(si)(si)电(dian)(dian)(dian)(dian)平不(bu)同(tong)点(dian)。
倘若是您对减速机链传动齿轮实践教学台,减速机传转手艺试着组装线有差别个定见，请拨通热情接待我们可以，或发送emailemail给我们可以，减速机链传动齿轮实践教学台,减速机传转手艺试着组装线仅客观性的现象工作环保及双方市场概念。
行业静态
罕见题目
公司资讯
扶植想划
- 日产久久视频_九九在线视频免费精品:供配电手艺实训室装备
- 日产久久视频_九九在线视频免费精品:智能电力配电检验实训室计划
- 日产久久视频_九九在线视频免费精品:制冷与空调装备装配补缀功课宁静手艺考
- 日产久久视频_九九在线视频免费精品:制冷与空调装备运转操纵功课宁静手艺操
- 日产久久视频_九九在线视频免费精品:登高架设功课宁静手艺现实操纵考培体系
- 日产久久视频_九九在线视频免费精品:高处装配、保护、撤除功课宁静手艺现实
- 日产久久视频_九九在线视频免费精品:高压电使命业宁静手艺现实操纵考培体系
- 日产久久视频_九九在线视频免费精品:融化焊接与热切割功课宁静手艺现实操纵
- 日产久久视频_九九在线视频免费精品:高压电使命业宁静手艺实操考培体系
- 日产久久视频_九九在线视频免费精品:修建智能楼宇与消防工程实训基地扶植方
