The unfavorable effects of deformation magnitude and geometric dimensions on mechanical properties of welded pipes during welding can be eliminated through recrystallization.
在焊管生产过程中，焊管本身的变形度、几何尺寸等对其机械性能会产生不利的影响，通过结晶的方法，可以消除这种影响。
The mean geometric free path or the characteristic dimension of a container is the important physical magnitude in describing the heat motion of gas molecules under low pressure.
几何平均自由程或容器的特征尺度是低压下描述气体分子热运动的重要物理量。
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