通过生产实践对其模具进行了参数设计。
Technology and mould design have been introduced with practical parameters design.
通过生产实践证实，回归方程具有很高精度。
The high accuracy of these regression equations has been proved in productive practice.
通过生产实践，证明了热水技术在烧结工艺中所起的作用。
Through the operation practice, the advantage of hot water technique in sintering process was proved.
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