directionless pressure meaning in English
静压力
无定向压力
无方向性压力
Examples
- By theoretical analysis and actual measurement of field and phenomena analysis of rock burst , the author illustrates the directionless pressure , sudden movement and rupture of hard roof lead to the internal cracks of coal instable development , which easily results in rock burst happening
摘要通过理论分析、现场实测和冲击矿压现象分析，说明了顶板坚硬岩层产生的静压和突然运动、破断均可使煤体内部裂纹不稳定扩展而容易发生冲击矿压。