分类
排序
煤矿安全规程.mp4
https://zfile.chaojikaoba.cn/directlink/wenku-chaojikaoba-cn/%E5%AE%89%E5%85%A8%E8%A7%86%E9%A2%91%E6%B1%87%E6%80%BB/%E3%80%9004%E3%80%91%E7%85%A4%E7%9F%BF%E5%AE%89%E5%85%A8%E8%A7%8...
【视频教学】煤矿监测监控作业安全技术实际操作考试标准.mp4
https://zfile.chaojikaoba.cn/directlink/wenku-chaojikaoba-cn/%E5%AE%89%E5%85%A8%E8%A7%86%E9%A2%91%E6%B1%87%E6%80%BB/%E3%80%9004%E3%80%91%E7%85%A4%E7%9F%BF%E5%AE%89%E5%85%A8%E8%A7%8...
新疆宏业煤矿机电事故警示片.MP4
https://zfile.chaojikaoba.cn/directlink/wenku-chaojikaoba-cn/%E5%AE%89%E5%85%A8%E8%A7%86%E9%A2%91%E6%B1%87%E6%80%BB/%E3%80%9004%E3%80%91%E7%85%A4%E7%9F%BF%E5%AE%89%E5%85%A8%E8%A7%8...
煤矿事故还原3D动画警示教育片.mp4
https://zfile.chaojikaoba.cn/directlink/wenku-chaojikaoba-cn/%E5%AE%89%E5%85%A8%E8%A7%86%E9%A2%91%E6%B1%87%E6%80%BB/%E3%80%9004%E3%80%91%E7%85%A4%E7%9F%BF%E5%AE%89%E5%85%A8%E8%A7%8...
