Column grains develop well in casting blank, with transcrystalline grains and a little equiaxed grains in the center.
实验,柱状晶发,有穿晶出现,部有少量等轴晶。
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They've then compressed to a fraction of their original size creating dense pore-free billets.
然后再通过积压使体积大大缩小,为高密度,无疵铸坯。
From these solid billets, we machine the watch housing, as well as individual components like the Digital Crown, and the clasps for our straps.
这些坚固铸坯,被表壳及各个零部件:包括Digital Crown以及表带上表扣。
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