This shows that, bulged tube technology has vast application prospect.

由此可见，膨胀管技术具有广阔的应用前景。

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As the bulged tile contact area is large and the texture is relatively uniform. in the state of high speed, the damage to the tube core is relatively small to ensure the tube core reuse.

由于胀起瓦片接触面积大且纹理比较均匀，在高速状态下对卷芯的损坏比较小，确保管芯的重复使用。

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As the bulged tile contact area is large and the texture is relatively uniform. in the state of high speed, the damage to the tube core is relatively small to ensure the tube core reuse.

由于胀起瓦片接触面积大且纹理比较均匀，在高速状态下对卷芯的损坏比较小，确保管芯的重复使用。

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