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本文对材料的表面处理技术进行了综述。
The paper synthesizes the technology of the surface treatment of materials .
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开发优质模具材料和先进的表面处理技术；
Development of quality die materials and advanced surface treatment technology;
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开发优质模具材料和先进的表面处理技术；
Development of quality die materials and advanced surface treatment technology;
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