adj.不含铁的,非铁的;
英文例句/中文翻译:
Environmental impact assessment of technological renovation project for Zhong Tiao Shan Nonferrous Metals Corporation smelter
中条山有色金属公司冶炼厂技术改造工程环境影响评价
Therefore, it is very suitable for welding the thin-wall construction of ferrous and nonferrous metals.
因此这种电源很适合于黑色及有色金属的薄壁结构件焊接。
Study on development of Mining Sciences and technology of nonferrous metals
有色金属采矿科技发展研究