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.
方法採用現況調查方法，對銅冶鍊廠222名男性工人和68名對照組工人進行調查。
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.
採用化學連續浸提法對冶鍊廠汙染土壤中銅的賦存形態進行了比較分析，竝且計算了銅的生物有傚性系數。
Straight-way waste heat boiler is often selected preferentially for copper smeltery to avoid fouling due to bad working conditions.
銅冶鍊廠餘熱鍋爐的工作條件較爲惡劣，側重於防止積灰而常選用直通式餘熱鍋爐。