To improve the quality of safety training, we should take these two factors into account and plan scientifically.
提高安全培训质量就需要从这两个方面来考虑，进行科学策划。
Construction safety management and construction the safe technique is two basic factors to realizes safety produce target manage.
施工安全管理与施工安全技术是实现安全生产目标管理的两个基本因素。
Safety investment and its cost benefit are two key factors limiting the safety output of a city.
城市安全投入与安全经济效益是制约城市安全产出的两个关键因素。
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