圆锥截头对岩石的静压入遇世伟译１前言目前，日本矿山不仅考虑各种作业的效率、经济性和安全性，而且还要考虑作业环境及人的有关问题，进而要求进一步实现机械化、自动化和省力化。为了减少掘进成本而引进了各种巷道掘进机，与原来的钻爆法比，其能效有明显的提高。另外... At present, the Japanese mines not only consider the efficiency, economy and safety of various operations, but also consider the operating environment and human-related issues, and thus require further mechanization , Automation and labor-saving. In order to reduce driving costs and the introduction of a variety of roadway boring machine, compared with the original drilling and blasting method, its energy efficiency has been significantly improved. In addition ...