最終更新日：2022/12/24
In England, it was generally termed a 'sow', if the weight was above 10 cwts., if below, it was termed a 'pig' from which the present term 'pig iron' is derived.
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In England, it was generally termed a 'sow', if the weight was above 10 cwts., if below, it was termed a 'pig' from which the present term 'pig iron' is derived.
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