The accident are mainly caused by violation, misoperation, limit knowledge to the H2S hazards and weak safety awareness.
事故主要是由于违章及误操作以及对H2S的毒害认识不够、安全意识差引起的。
The accident are mainly caused by violation, misoperation, limit knowledge to the H2S hazards and weak safety awareness.
事故主要是由于违章及误操作以及对H2S的毒害认识不够、安全意识差引起的。
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