Environmental degradation or ecosystem imbalance mainly comes bout as a reult of excessive use of nature resources throught various human activities.
人类在各种活动中过度利用自然资源，这是环境恶化或生态系统失衡的主要原因。
Research on Bot Stuff used in iron notch was conduced on the ironmaking condition in NewLingang Iron and Steel Co. Ltd. As a reult, the Bot Stuff can meet the requirements of being used in BF.
针对临钢高炉冶炼条件，对高炉出铁口用有水炮泥进行研制，通过试制、试验和批量使用，所研制的炮泥满足了高炉的使用要求。
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