support activities for metal mining
...煤开采支援机构 Support Activities for Coal Mining 金属矿石开采支援机构 Support Activities for Metal Mining 非金属矿石的支援机构(油除外) Support Activities for Nonmetallic Minerals (except Fuels) ..
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support activities for metal mining
支持金属采矿活动
以上为机器翻译结果,长、整句建议使用 人工翻译 。