Scientific research of optimizing coal match carried out in AISC in recent years is expounded.

论述了近年来鞍钢进行的优化配煤结构的科研工作。

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So the research of optimizing blasting parameters will be of prime importance to the construction of tunnel engineering.

因此研究如何优化爆破参数对隧道工程的施工有着非常重要的意义。

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So the research of optimizing blasting parameters will be of prime importance to the construction of tunnel engineering.

因此研究如何优化爆破参数对隧道工程的施工有着非常重要的意义。

youdao