hydraulic fracture propagation

• 水力裂缝延伸

hydraulic fracture propagation的用法和样例：

例句

1. The parameters mentioned are defined for the first time,such as the ratio of pore pressure and upper formation pressure,the fracture extension grads,etc.
   孔隙压力流体评价方法所涉及到的孔覆比和裂缝延伸梯度等参数均为首次定义。