metallurgical resources and ecological environment
冶金工程控制 Metallurgical Engineering control 冶金资源与生态环境 Metallurgical Resources and Ecological Environment 矿产普查与勘探 Mineral prospecting and Exploration ..
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metallurgical resources and ecological environment
冶金资源与生态环境
以上为机器翻译结果，长、整句建议使用 人工翻译 。