According to production practice, a proper spinning technology is the guarantee of quality for knitting yarn.
生产实践中选用适当的纺纱工艺是保证针织纱品质的重要方面。
An applied formula of electroless ni plating for aluminium alloy and steel was developed according to production practice.
针对生产实践，提出了一种铝合金及钢铁件化学镀镍配方。
According to production practice and theoretical calculation results by energy mathematical model, it is proved that the method is feasible.
根据生产实践并通过总的能量数学模型及模型应用的理论计算结果说明该方法是可行的。
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