anshan series 中文意思是什麼
anshan series
解釋
鞍山統-
In order to solve the shortcoming of traditional explosion w ; dge - shaped excavation in da ' anshan mine, improve the rate of excavation and reduce the consumption of explosive materials, a series of excavation shapes are applied and experimented in the rock tunnel excavate
針對大安山煤礦傳統的楔形掏槽爆破方式存在的弊端，本文提出在該礦進行新型掏槽實驗研究，用以增加巖石巷道掘進效率和減少掘進爆破材料消耗。
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