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| accident source The cause or origin of an unexpected occurrence, failure or loss with the potential for harming human life, property or the environment (出乎意料的事件、失败、或者损失的产生源，此类事件有伤害人类生命、财产或者环境的潜在可能。) | |||
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| accident source The cause or origin of an unexpected occurrence, failure or loss with the potential for harming human life, property or the environment (出乎意料的事件、失败、或者损失的产生源，此类事件有伤害人类生命、财产或者环境的潜在可能。) | |||