By cleaning molten steel, controlling casting temperature and withdrawal speed, the compliance ration in ultrasonic inspection of plate was enhanced from 82.5% to 92%.
采取提高钢质纯净度、控制浇注温度和拉速等改进措施，检测合格率由82.5%提高到92%。
By cleaning molten steel, controlling casting temperature and withdrawal speed, the compliance ration in ultrasonic inspection of plate was enhanced from 82.5% to 92%.
采取提高钢质纯净度、控制浇注温度和拉速等改进措施，检测合格率由82.5%提高到92%。
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