“一带一路”国家非金属矿资源特征与蛇纹石石棉安全使用 - 矿冶园

首页
矿冶资讯
矿冶学堂
矿冶直播
矿冶书城

首页
矿冶资讯
矿冶学堂
矿冶直播
矿冶书城

首页
地质矿业
“一带一路”国家非金属矿资源特征与蛇纹石石棉安全使用

(0人评价)

“一带一路”国家非金属矿资源特征与蛇纹石石棉安全使用

价格免费

学习有效期永久有效

已收藏
收藏
分享

扫二维码继续学习二维码时效为半小时

加入学习

介绍
目录
笔记 (0)
评价 (0)

{getChapterName}

{getUnitName}

免费 {getTaskName} 剩余观看时长：{watchLimitRemaining} 回放 {activityStartTimeStr} 正在直播中直播结束 {activityLength} 预览试看加入免费 {getTaskName} 敬请期待

{ "id": "464", "isDefault": "1", "learnMode": "freeMode", "isMember": "", "status": "published" }

{ "i18nChapterName": "章", "i18nUnitName": "节", "i18nTaskName":"课程" }

[{"itemType":"task","number":"1","title":"\u201c\u4e00\u5e26\u4e00\u8def\u201d\u56fd\u5bb6\u975e\u91d1\u5c5e\u77ff\u8d44\u6e90\u7279\u5f81\u4e0e\u86c7\u7eb9\u77f3\u77f3\u68c9\u5b89\u5168\u4f7f\u7528","result":"","resultStatus":"","lock":false,"status":"published","taskId":"476","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:26","activityEndTime":"","fileStorage":"","isTaskTryLookable":0}]

{ "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" } }

1715923129