The key technical difficulties are seriously researched, and some relative optimizing techniques are also put forward.
论文对技术实现中的关键和难点问题进行了研究分析和改进优化。
The output connection in transitional period was one of the key technical difficulties during the transition from open-pit to underground mining.
过渡期的产量衔接是矿山露天转地下开采关键技术难题之一。
Based on the potential advantages of producing grain oriented silicon steel by thin slab casting and rolling process, the key technical difficulties to be solved are brought forward.
在总结薄板坯连铸连轧生产取向硅钢技术优势的基础上，提出了该流程研究需要解决的技术难点。
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