求翻译：Φ273 ×10的无缝钢管与Φ377×7的卷管上人工磁化磁异常垂直分量值几乎相同，这并不奇怪，因为两者的截面积分别为8258㎡ 和8133㎡，仅相差1.6%。是什么意思？

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With the seamless Φ Φ 273 x 10 x 7 377 volumes of artificial magnetized magnetic anomalies on vertical weight almost the same value, which is not surprising, because the 10-4 m respectively proliferated and 8133 8258 m, there is a difference of only 1.6 % proliferated.

φ273 ×10 seamless steel pipe with φ377×7 the volume tube on the artificial magnetization magnetism exceptionally vertical component value is nearly same, this is not strange, because of both cross-sectional area respectively be 8258㎡ and 8133㎡, only differs 1.6%.

Φ 273x10 seamless steel pipe and φ 377x7 artificial magnetic susceptibility and magnetic anomaly on the volume of vertical component values are almost identical, it is not surprising, as both the sectional area: 8,258 and 8,133 square meters, respectively, only the difference of 1.6%.