按照《企业职工伤亡事故调查分析规则》( GB6442 -86)的规定,事故的直接原因是指机械、物质或环境的不安全状态和()。 A. .没有安全操作规程或不健全 B.
百度试题 题目根据《企业职工伤亡事故分类》(GB6441-86),辨识抽水作业现场存在的危险因素。相关知识点: 试题来源: 解析 触电,淹溺,火灾,瓦斯爆炸和其他爆炸,中毒和窒息。 命题点解析:
按照我国《企业伤亡事故分类标准》(GB6441-86)的规定,职业伤害事故分20类,其中与建筑有关的包括( )。A 灼烫 B 机械伤害 C 辐射伤害 D 瓦斯爆炸 E 扭
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