Coldwork die steel is an important die material in industry application.
冷作模具钢是工业应用中一种重要的模具材料。
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Coldwork: 'Buddy teams' dig out huge chunks of ice using a hand-powered drill to create dive holes in the White Sea, Russia.
钻冰洞：俄罗斯白海，“巴迪队”用手动钻挖出大块的冰，钻出潜水洞。
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The advanced steelmaking practices are to be extensively utilized to put an end to the backwardness of sort and quality of coldwork tool and mould steels in China.