国家有色金属工业局
- 网络state bureau of nonferrous metal industry;State Non-Ferrous Metal Industry Bureau
国家有色金属工业局-
国家有色金属工业局
State Bureau of Nonferrous Metal Industry
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金川二矿区的膏体充填系统于1991年开始建设，1999年8月生产试运行成功，并通过了国家有色金属工业局的鉴定。
The construction of the paste backfill system in Jingchuan 's No. 2 Mining District began in 1991 . In August 1999 the pilot operation succeeded and passed technical appraisal by the National Bureau of Nonferrous Metals Industry and was commissioned ever since .