copper smeltery

基本解释

Methods A prevalence survey was carried out to investigate 222 male workers of a copper smeltery plant and 68 workers in a control group.
方法采用现况调查方法，对铜冶炼厂222名男性工人和68名对照组工人进行调查。
The form of copper occurrence in contaminated soil in a smeltery site was discussed comparatively by continuous chemical digestion, with the coefficient of biologic effectiveness to copper calculated.
采用化学连续浸提法对冶炼厂污染土壤中铜的赋存形态进行了比较分析，并且计算了铜的生物有效性系数。
Straight-way waste heat boiler is often selected preferentially for copper smeltery to avoid fouling due to bad working conditions.
铜冶炼厂余热锅炉的工作条件较为恶劣，侧重于防止积灰而常选用直通式余热锅炉。