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来源:雅诚德英语网
The resulting steel appears to achieve a combination of strength and toughness that is comparable to that of modem steels that are very rich in alloy content and, therefore, very expensive.
产出的钢在强度和韧性方面的综合性能可与合金含量非常丰富的现代钢相媲美,因此价格非常昂贵。