焊接过程电弧稳定，焊接接头熔合良好，未见裂纹、 未焊透、夹渣、 气孔等缺陷。
This process showed a stable arc, good welding joints without any gas pores and cracks.
最后利用三维有限元计算坝址区的构造应力以及这部分卸荷拉裂夹泥岩体对工程(主要是地下洞室稳定性)的影响。
At last, computing tectonic stress of dam zone and the relaxed-tension rock mass influence on the engineering (mostly influence on stability of underground cavern) using three-dimensional FEM.
正交各向异性多层夹芯层板具有较好的强度、刚度和稳定综合性能，已在一些重要承力结构（如复合材料桥）中应用。
The orthogoi al multilayer sandwich plate which provides considerable strength, stiffness and stability has been used in some important engineering structures, such as the composite material bridge.
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