实践表明，反变形法和加支撑刚性固定是控制这种大型特厚壁结构焊接变形的有效方法。
The practice have proved that the anti -distortion plus with rigid fixing are the effective measures for controlling the distortions of this huge welding structure.
在实例计算中，求解了正交各向异性厚壁圆筒在不同的扭转载荷作用下，两种厚壁结构的剪应力响应历程和分布规律。
As numerical examples, the response histories and shear stress distributions of two kind of orthotropic thick_walled cylinder under different torsion loads are investigated.
我认为两半的模具加上真空泵来提供压力能使结构更好，我也能更好的控制壁厚。
I believe molding two halves with a vacuum pump to provide pressure will produce a better structure and allow me to better control wall thickness.
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