Lost Time Severity Rate严重损失工时事故率

occupational severity rate职业病严重率

Accident Severity Rate事故严重率;事故严峻率;事故重大率;变乱紧张率

disabling injury severity rate工伤缺勤率;失能伤害严重率;残伤严重程度频率

injury severity rate受害剧烈程度;伤害严重率

Disabling Severity Rate失能伤害严重率

Accident t Severity Rate事故严重率

difficulty and severity rate疑难危重率

company severity rate严重率