1) drift mining
水平巷道开采法[能]
2) twin entry mining
双平巷开采
4) single entry method
单巷开采法
5) entry driver
水平巷道掘进机[能]
6) roadway caving method
巷道放顶煤开采
1.
Based on the application of artificial neural networks method, it sets up the artificial neural networks model for the evaluation on the degree of difficulty of top coal caving of roadway caving method in steep medium-thickness and high seam The model is made use of forecasting the technical-economic indexes of coal face and optimizing the technological parameters of roadway caving metho
应用人工神经网络方法，建立了急倾斜中厚－厚煤层巷道放顶煤开采可放性评价的人工神经网络模型。
补充资料：水平布里奇曼法(见布里奇曼法生长单晶)
水平布里奇曼法(见布里奇曼法生长单晶)
horizontal Bridgman method
小十巾里苛曼法ho见布里奇曼法生长单晶。rlzontal Br主dglllan method
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条