This paper discusses a practical case study on a chemical process.
本文用一个化工过程的实例，讨论具体实施方案。
It presents a practical case study indicating the feasibility of IIEM method.
最后通过一个实例说明了IIEM方法的可行性。
It is proved effectual for preventing rock collapse and safety hazard accident by practical case study.
实际情况表明，本措施对预防岩石塌落和安全有害事故是有效的。
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