在侧限作用下，膨胀土体的范性变形在高度、面积及体积上均有所体现，但在高度方向上的发育最为充分；
The plastic deformation of expansive clay can be reflected on the height, area and volume changes of soil body, but more significantly on height change due to the confining stress.
该工艺的优点是加工误差小、热变形小、规范性强、修复后的喷嘴性能明显优越。
The advantages of the process are processing error and thermal deformation is small, standard capability is strong and the repaired nozzle performance is clearly superior.
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