工作底稿程序
The preliminary study to the characteristics of surrounding rock and support design procedures in working faces of strong roof and high ground pressure of deep mines are conducted in this paper using several important methods such as numerical simulation, theory analysis and measuring data analysis from locales.
本文采用数值模拟分析、理论分析和现场实测数据分析等研究方法,对深井高地压坚硬顶板采场围岩特性与支护设计进行了初步的研究。
纳米英语 · 双语娱乐资讯
纳米英语 · 少儿英语故事