锻造比是锻造时金属变形程度的一种表示方法，通常以金属变形前后的横截面积的比值来表示。
随着锻造比的增大，晶粒组织逐渐细化，锻件力学性能提高。
It could be concluded that following the forging ratio increasing, the grains refined gradually and the mechanical properties of forgings increased.
锻造生产的零件具有较高的强度重量比，所以常被用在飞机结构零件的设计中。
Forgings yield parts that have high strength to weight ratio, thus are often used in the design of aircraft frame members.
虽然这种液压锻机比落锤锻造要昂贵得多，但它除了能给予大零件较高的强度和更均匀的组织外还有其它优点。
Although the hydraulic forging press is a more expensive piece of equipment than a drop-forge, it has advantages beside those of giving greater strength and more uniform structure to large components.
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