Whether we like it or not, the date that we were born marks us out until the day that we die.

不管我们喜不喜欢，我们的出生日期是我们一生的标记。

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Pipe shall be homogeneous throughout, free from cracks, holes or foreign material, and shall be free from blisters, dents, ripples, die and heat marks.

管子应通体均匀，无裂纹、无孔眼或杂质，还应无气泡、凹痕、波痕、拉模划痕和热痕。

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The defect type here includes pits (patches) and uniform appearance except for the defects such as streaks, die lines, weld marks and lines.

缺陷类型包括点(斑)缺陷和大面积的不均一外观。未涉及条纹，模具痕或焊合线等条带型缺陷。

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