jīn / shǔ / cái / liào / zài / tán / xìng / xíng / biàn / fàn / wéi / nèi / kě / yǐ / huī / fù / yuán / zhuàng金属材料在弹性形变范围内可以恢复原状。Within the elastic deformation range, metal materials can return to their original shape.