应用计算机建立精确的三维数学模型，并用高精度数控铣床加工出铸造用模具。
A precise three - dimensional mathematics model has been established with a computer, and the moulds have been manufactured by using the sophisticated NC milling machine.
应用计算机建立精确的三维数学模型，并用高精度数控铣床加工出铸造用模具。
A precise three - dimensional mathematics model has been established with a computer, and the moulds have been manufactured by using the sophisticated NC milling machine.
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