This paper discusses the electric measuring system of working mechanism of bucket wheel and researches on simulation test and predictes cutting resistance of Chinese opencut coal field overburden.

  • 本文介绍斗轮工作机构装置的电测系统及用以摸拟测定和预测我国露天煤田表土层切割阻力的试验研究。
目录 查词历史