It is made of high quality - carbon steel strip, rolled with - tin alloy on surface with special techniques.

该产品以优质低碳钢板为基体, 表面采用特殊工艺轧制铝锡合金.

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Now, acetabular reconstructions with autograft and allograft filling the defect and special techniques are effective.

应用自体骨和同种异体骨移植填充骨缺损,目前使用特殊的重建方法行髋臼重建已取得了一定的疗效.

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CopperEtching is based special techniques of craftsman dated from 1430 in northern German.

铜版画兴起于1430年的欧洲的北部德国和尼德兰一带,技术基础源于工匠的某些工艺.

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