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熔铅要散发大量铅烟 ,为防止环境污染 ,控制职业危害 ,我们采用某环保设备厂设计制造并由该厂施工 ,在我县某蓄电瓶厂熔铅车间安装了一组通风净化装置 ,为探讨其效果 ,我们在安装前后对该车间铅烟浓度及作业工人尿铅浓度作了对照测定。结果报告如下 :1 对象与方法1.1 熔铅车?
In order to prevent environmental pollution and control occupational hazards, we adopt a certain environmental protection equipment factory to design and manufacture and construct by the factory. A set of ventilation and purification devices are installed in the lead-melting workshop of a storage battery factory in our county as To explore the effect, we set up before and after the workshop on the concentration of lead in the workplace and workers were measured urine lead concentrations. The results are reported as follows: 1 objects and methods 1.1 melting lead car?