... Back To Our Original 再回到我们原来 spring back to original shape 回弹至原来形状 BACK TO THE ORIGINAL SURFACE 土人登山俱乐部 ...
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When aluminum is hit, you can see a dent. Composites, though, spring back to the original shape, which could hide internal damage.
但是也有一个很大的缺点：当铝被撞击时，你会看到一个凹陷，但是复合材料看似能够变回原来的外表，内部却已经受损。
When aluminum is hit, you can see a dent. Composites, though, spring back to the original shape, which could hide internal damage.
当铝受到撞击时会出现明显凹痕，而复合材料则会自动回复原来形状，使它所受的损伤难以察觉。
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