论文部分内容阅读
我队根据钻探工作的要求,制作了一种向孔内输送高粘度水泥浆的工具。经生产使用,比一般输送器效果好。输送器结构简单
According to the requirements of the drilling work, our team made a tool for conveying high viscosity grout into the hole. After production use, than the average conveyor effect. Conveyor structure is simple