The solidification process of the surface composite layer was also analysed in this paper.

本文分析了表面复合材料层的凝固过程。

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Using a prefabricated porous ferroboron lump, a surface composite layer was made on gray cast iron matrix, with a common casting method.

通过预先制备带有孔隙的硼铁合金预制块，用普通浇注的方法，获得以灰铸铁为基的铸造表面复合材料。

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Composite processing center mainly refers to five surface composite processing, automatic rotation of the spindle head for vertical processing.

复合加工中心主要指五面复合加工，可自动回转主轴头进行立卧加工。

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Composite processing center mainly refers to five surface composite processing, automatic rotation of the spindle head for vertical processing.

复合加工中心主要指五面复合加工，可自动回转主轴头进行立卧加工。

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