remaining casting microstructure的用法和樣例：
例句
- The key to fining the structure of ingot casting lies in the formation of a number of fine equiaxed crystal grains.
金屬鑄態組織細化的關鍵是獲得大量細小等軸晶。 - 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。
