support activities for coal mining
油气经营支援机构 Support Activities for Oil and Gas Operations 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 ..
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support activities for coal mining
支持煤炭开采活动
以上为机器翻译结果,长、整句建议使用 人工翻译 。