{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the steps in the SBF process?","a":"Geometric Modeling: According to the actual problem, establish a geometric model,  including the geometric shape of the crack tip, the geometric size of the material, etc."}]}],"pr":"2ce45ea54b3011efc8046b524d8b941df87118cdf22780064a33d18eba672a61"}