我国要改变冷作工模具钢质量和品种方面的落后面貌，必须推广应用先进的炼钢工艺。
The advanced steelmaking practices are to be extensively utilized to put an end to the backwardness of sort and quality of cold work tool and mould steels in China.
有关文献表明，发达国家冷作工模具钢的种类多而全，性能具有无缝化的特点，能满足各行业的需求。
The literatures concerned show that the developed countries possess a great variety of cold work tool and mould steels and can satisfy various property requirements of users.
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