The characteristic of strata control - structural control - lithologic control all over thearea.
矿床控制因素显示出“地层 - 岩控 - 构控和时控”多位一体的特点.
互联网
In this paper, some structural control technical classification, principles, and suitability are introduced.
简述了各种结构控制技术的分类 、 原理 、 问题及其适用条件.
互联网