What you see also hear is a containment wall.

你们能看到和听到的是一面容量的墙。

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The impaction of long blade with high energy can cause large deformation and the blade will curl as U shape and tear the wall of the containment ring at the second impact position.

高能量长叶片撞击将形起大变形，叶片弯曲成U形，机匣在第二次撞击处被撕裂击穿。

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