Objective: to study the effect of noise pollution on workers' health in a steel iron plant so as to provide reliable data and to propose better protective measures.

目的：了解某钢铁厂噪声对工人身体健康的影响，以提供可靠数据，制定更好的防护措施。

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Territory Shaoguan Iron and Steel plant, Shaoguan power plants, mines and a number of provincial Dabaoshan large-scale industrial enterprises.

境内有韶关钢铁厂、韶关发电厂、大宝山矿等多家省属大型工业企业。

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This paper introduces the data management system in the computer 'system for raw material handling plant of Tangshan Iron and Steel Company, and describes its functions, structure and realization.

本文介绍唐钢二炼铁厂原料场计算机系统中的数据管理系统，对该系统的功能、构成和实现等作了简述。

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