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First, safety system engineering management.
第一，安全系统工程管理。
youdao
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Safety management in construction is a dynamic and complex system engineering.
建筑施工安全管理是动态管理，是一项复杂的系统工程。
youdao
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Safety management in construction is a dynamic and complex system engineering.
建筑施工安全管理是动态管理，是一项复杂的系统工程。
youdao