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以还原制备金属铝为例讲解电解法在金属生产中的应用-曹颖
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以还原制备金属铝为例讲解电解法在金属生产中的应用-曹颖
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{getChapterName}
{getUnitName}
{getLessonName}
敬请期待
免费
{getTaskName}
剩余观看时长：{watchLimitRemaining}
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{activityStartTimeStr}
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{activityLength}
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{getTaskName}
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{ "id": "1113", "isDefault": "1", "learnMode": "freeMode", "isMember": "", "status": "published", "currentTaskId": "", "isHideUnpublish": "0" }
{ "i18nChapterName": "章", "i18nUnitName": "节", "i18nLessonName": "课时", "i18nTaskName":"任务" }
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{ "text": { "icon": "es-icon es-icon-graphicclass", "name": "图文" } , "video": { "icon": "es-icon es-icon-videoclass", "name": "视频" } , "audio": { "icon": "es-icon es-icon-audioclass", "name": "音频" } , "live": { "icon": "es-icon es-icon-videocam", "name": "直播" } , "discuss": { "icon": "es-icon es-icon-comment", "name": "讨论" } , "flash": { "icon": "es-icon es-icon-flashclass", "name": "Flash" } , "doc": { "icon": "es-icon es-icon-description", "name": "文档" } , "ppt": { "icon": "es-icon es-icon-pptclass", "name": "PPT" } , "testpaper": { "icon": "es-icon es-icon-kaoshi", "name": "考试" } , "homework": { "icon": "es-icon es-icon-zuoye", "name": "作业" } , "exercise": { "icon": "es-icon es-icon-mylibrarybooks", "name": "练习" } , "download": { "icon": "es-icon es-icon-filedownload", "name": "下载资料" } , "scorm": { "icon": "es-icon es-icon-graphicclass", "name": "Scorm" } , "exam": { "icon": "es-icon es-icon-graphicclass", "name": "course.activity.exam" } }
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