Averaging about three feet, blades were pattern welded, a sophisticated technique by which twisted rods and strips of iron or steel were hammered together.

平均剑身长达三英尺，剑体焊接精良，整个剑的主梁与剑刃由尖端的冶炼工艺锤锻而成，钢与铁按照完美的比例整合一体。

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Unlike pricing of other commodities, iron ore's price is hammered out in top-secret annual meetings between miners and their customers rather than on international exchanges.

与其他大宗商品的定价方法不同，铁矿石价格是在每年矿业公司与客户秘密进行的会议上敲定的，而不是通过国际交易所定价。

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This spongy iron could be hammered into shape to make tools and weapons.

这种海绵铁可以锻成一定形状，用来制造工具和武器。

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