To evaluate fracture instability, the total sum of stresses due to residual welding or rolling stresses, dead load, and live loads must be considered.
计算断裂失稳性时，必须考虑焊接或轧制残余应力，恒载应力和活载应力之总和。
The fact that this instability exists means that very soon after a fracture opens fluid flow begins to focus along tiny ripples and build some bigger channels at the expense of others.
这种不确定的存在意味着当一个裂缝打开后，流体开始集中为微小的涟漪，在破坏其他通道的条件下形成更大的通道。
The fact that this instability exists means that very soon after a fracture opens, fluid flow begins to focus along tiny ripples and build some bigger channels at the expense of others.
这种不确定的存在意味着当一个裂缝打开后，流体开始集中为微小的涟漪，在破坏其他通道的条件下形成更大的通道。
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