New technique and equipment of cold rolled electric steel in china have been introduced.

为此对国内外近年来冷轧电工钢生产的新工艺、新设备进行了较全面的介绍。

youdao

New technique and equipment of cold rolled electric steel in china have been introduced.

为此对国内外近年来冷轧电工钢生产的新工艺、新设备进行了较全面的介绍。

youdao