as cast structure的用法和樣例：
例句
- The structure of cast magnesium alloys can be refined markedly by adding small amounts of inoculants or alloying elements according to the composition of the alloy concerned.
根據合金的種類加入不同的孕育劑或少量的合金元素可顯著細化鎂合金的鑄造組織。 - 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。
