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5843 | 5964 | 2-6项目二-任务三-施工现场安全事故类别与时间规律分析.ppt | /uploads/application/1450838365028694.ppt | application/vnd.ms-powerpoint | 3 | |
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5848 | 5969 | 1450838375435376.pdf | /uploads/application/1450838375435376.pdf | application/pdf | 3 | |
5849 | 5970 | 3-1项目二-任务四-安全事故案例分析概述.ppt | /uploads/application/1450838390863958.ppt | application/vnd.ms-powerpoint | 3 | |
5850 | 5971 | 1450838390863958.pdf | /uploads/application/1450838390863958.pdf | application/pdf | 3 | |
5851 | 5972 | 3-2项目二-任务四-高处坠落事故案例分析.ppt | /uploads/application/1450838396336259.ppt | application/vnd.ms-powerpoint | 3 | |
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5855 | 5976 | 3-4项目二-任务四-触电事故案例分析.ppt | /uploads/application/1450838407887222.ppt | application/vnd.ms-powerpoint | 3 | |
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5860 | 5981 | 1450838425246591.pdf | /uploads/application/1450838425246591.pdf | application/pdf | 3 | |