The microstructure at the top and middle was the regular pine tree eutectic crystal and small cell and column crystal, respectively.
中部为细小的胞晶和柱状晶；且晶体生长受结晶学各向异性影响。
The microstructure at the top and middle was the regular pine tree eutectic crystal and small cell and column crystal, respectively.
中部为细小的胞晶和柱状晶；且晶体生长受结晶学各向异性影响。
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