casting matrix

例句：

1. 1. The casting matrix is crucialfor the quality of the castings.
   铸造矩阵对于铸件的质量至关重要。
2. 2. Inthis process, the castingmatrix is used to control theflow of molten metal.
   在这个过程中，铸造矩阵用于控制熔融金属的流动。
3. 3. The casting matrix is designed to distributethe heat evenly throughout the casting.
   铸造矩阵被设计成在整个铸造过程中均匀地分布热量。