A drill bit used for obtainingcore samples in concrete or rock formations.
钻头被用来在水泥或岩层获取岩芯样品。
2
Diametral point load test is a very promising, simple and accurate method for obtaining compressive and tensile strength data of rock core.
用岩芯进行径向点荷试验,是简单而较精确地获得岩石抗拉、抗压强度的极有前途的方法。
3
It is an important problem in oil and gas field exploration and development to determine the physical parameters of reservoir rocks, and core analysis is a basic way of obtaining reservoir rock data.