Described in the paper is the processing technique for hi-finish dies for high - precision cold-drawn steel tube.

介绍了用于冷拔高精密钢管的高光洁度模具的加工工艺试验情况。

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Described in the paper is the processing technique for hi-finish dies for high - precision cold-drawn steel tube.

介绍了用于冷拔高精密钢管的高光洁度模具的加工工艺试验情况。

youdao