open grain structure的用法和樣例：
例句
- The microscopic analysis results indicate that deposited metal is hypereutectic structure.
測試結果表明熔敷金屬為過共晶組織。 - The results show that the as-deposited microstructure possesses the feature of whole equiaxed grains and fine distributed micro cavities on the grain boundaries.
沉積態高鎂鋁合金基體呈全部等軸晶組織並存在少量顯微孔洞是沉積態組織的主要特徵。
