动火作业安全规范培训视频
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| VIDEOS | |||
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 360P | Download |
| AUDIO | |||
| MP4 | N/A | mp4a.40.2 | Download |
| MP4 | N/A | mp4a.40.5 | Download |
| MP4 | N/A | mp4a.40.2 | Download |
| THUMBNAILS | |||
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JPEG | Origin Image | Download |
动火作业安全规范培训视频，视频来自安全生产视频网，关注微信公众号：安全资料网，每天领取免费安全生产资料。安全培训课件ppt源自安全人之家。
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