open hole arrangement 裸眼井结构
Blast-hole arrangement 炮孔布置 ; 炮眼布置
blasting hole arrangement 炮眼布设
The structure of visualized algorithm on block dividing and hole arrangement of tray was studied in the tray CAD.
研究了塔器CAD中塔盘分块与排孔的可视化算法结构。
The blasting hole arrangement of hard ductility rocks in the roadway excavation is discussed and explosive loading coefficient is determined.
介绍了该矿传统掘进凿岩爆破方法，详细阐述了该矿硬韧性岩的巷道掘进炮眼布设及装药系数的确定。
Effects of the impingement distance, the impinging hole arrangement and the initial crossflow on heat transfer characteristics are investigated.
研究了射流冲击间距、射流孔排列方式和初始横流等因素对换热特性的影响。
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