【视频】特殊作业安全教育视频合集第四部分：用火作业！.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%9021%E3%80%91%E5%85%AB%E5%A4%A7%E7%89%B9%E6%AE%8A%E4%BD%9C%E4%B8%9A%E8%A7%86%E9%A2%91%E5%90%88%E9%9B%86/%E3%80%90%E8%A7%86%E9%A2%91%E3%80%91%E7%89%B9%E6%AE%8A%E4%BD%9C%E4%B8%9A%E5%AE%89%E5%85%A8%E6%95%99%E8%82%B2%E8%A7%86%E9%A2%91%E5%90%88%E9%9B%86%E7%AC%AC%E5%9B%9B%E9%83%A8%E5%88%86%EF%BC%9A%E7%94%A8%E7%81%AB%E4%BD%9C%E4%B8%9A%EF%BC%81.mp4