overcoring meaning in English

套取岩心
套芯钻

Research of crustal stress measurement with overcoring method in xincheng gold mine
新城金矿套芯法地应力测量研究
Code of hydraulic fracturing and overcoring method for in - situ stress measurement
原地应力测量水压致裂法和套芯解除法技术规范
Comparison of geostress measurement between ae method with stress relief by overcoring in silin power station , guizhou province
法与套心法地应力测量结果的比较
The in - situ stress in the slope is measured through relieving stress by overcoring . then the analysis that in - situ stress in slop influences the development and stability of dangerous rock is carried on by fracture mechanics . water pressure includes hydrostatic pressure and hydrodynamic pressure
通过对洪崖洞现场地应力的套孔应力解除，测试了危岩边坡的残余地应力，运用断裂力学的方法分析了地应力对危岩发育和对现有危岩稳定性的影响。