1) Small-scale smelting
小规模冶炼
2) metal smelting industry
小冶炼
1.
It is well known that small-scale metal smelting industry leads to heavy PAHs pollution.
采样分析了中国东部沿海某镇小冶炼地区多介质环境中 PAHs的浓度水平 ,发现小冶炼集中生产区内大气中 17种PAHs总浓度 (Σ PAHs)高达 4 170 ng/ m3,是区外大气中 Σ PAHs平均值的 6倍 ;该区内河及边境河流下游河水中 Σ PAHs平均为 8。
3) large-scale zone refining
大规模区域精炼<冶>
4) iron-making scale
炼铁规模
1.
The Paper analyzed that some questions in BF burden structure development with change of iron-making scale will be faced at Pangang in future,and rational solution were put forward,combining the situation of ore supply at PanGang.
分析了攀钢未来几年高炉炉料结构随着炼铁规模的变化所面临的问题 ,结合攀钢的铁矿石供应情况 ,提出了解决问题的合理方案。
5) refinery scale
炼油厂规模
1.
Status quo of Chinese petroleum refining industry, refinery distribution, petroleum refining capacity and the living environments of different refineries have been analyzed in detail through the investigation, statistics and classification of refinery scale and number.
通过对我国炼油厂规模和数量的调研、统计和分类 ,详细分析了我国炼油工业的现状 ,炼油厂和炼油能力的分布特点 ,不同规模炼油厂面临的不同生存环境。
6) Smelting
[英][smelt] [美][smɛlt]
冶炼
1.
Smelting Technology of Stable and High Productivity Operation of No.2 Blast Furnace at Meigang;
梅钢2号高炉稳产高产的冶炼技术
2.
Technical Progress of Tilting furnace for Copper Crap Smelting;
倾动炉杂铜冶炼技术改进
补充资料：规模经济/规模不经济
规模经济/规模不经济：规模经济和规模不经济用来说明厂商产量变动从而规模变动与成本之间的关系。对于一个生产厂商而言，如果产量扩大一倍，而厂商的生产成本的增加低于一倍，则称厂商的生产存在着规模经济；如果产量增加一倍，而成本的增加大于一倍，则生产存在着规模不经济。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条