liquefied metal die forging technology 液态金属模锻工艺
closed extrusion-die forging technology 闭式挤锻工艺
cold die forging technology 冷模锻工艺
Closed Die Forging Technology 模锻工艺
precision die forging technology 精锻工艺方案
optimal die-forging technology scheme 最优模锻工艺方案
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