录斗艘金矿床属破碎蚀变岩型金矿，产于德乌鲁石英闪长岩与录斗艘石英闪长斑岩接触带附近。
Ludousou gold deposits belong to fractured altered rock-type gold deposit, produced in Dewulu quartz diorite and Ludousou quartz porphyry contact zone.
介绍煤岩切割阻力试验和预测公式，以供轮斗挖掘机设计计算使用和参考。
This paper discusses test and determination of the predicting formula for cutting resistance cf coal and rock and be referred to use for design calculation of bucket wheel excavator.
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