求翻译：3由项目经理建立各级人员安全生产责任制度，明确各级人员的安全责任，抓制度落实、抓责任落实，定期检查安全落实情况，及时报告；是什么意思？

3 established by the project managers at all levels of production safety responsibility system, specifically the safety of personnel at all levels of responsibility, focus on the implementation of systems, focus on the responsibility to implement, periodically check the implementation and timely rep

3 by the project manager to build up production safety officers at all levels, and clear accountability, responsibility and the safety of personnel at all levels, must implement systems security responsibility to implement and follow-up of periodic inspection report in a timely manner;

3 establishes all levels of personal security production responsibility system by project manager, is clear about the all levels of personnel's safety responsibility, stresses the system realization, stresses the responsibility realization, periodic inspection safe realization situation, prompt repo

3 by the project manager to set up personnel safety in production responsibility system at various levels, clear staff at all levels of responsibility for security, and system implementation, and stresses the responsibility to implement, regularly check the implementation of security, timely reporti

3 founded by project manager level in safety production responsibility system clear levels personnel security responsibilities, grasping system implemented, grasp the responsibility, regularly check security implementation, timely reporting;