semi-centrifugal casting

例句：

1. 1. The process of semi-centrifugal casting is used to produce complex shapes in metal parts.
   半离心铸造过程用于制造金属部件的复杂形状。
2. 2.In the semi-centrifugal casting process, molten metal is poured into a mold and allowed to solidify on its own.
   在半离心铸造过程中，熔融金属被倒入模具中，并让其自行凝固。
3. 3. Semi-centrifugal casting is an economical method for producing large quantities of precision parts.
   半离心铸造是一种经济高效的生产大量精密零件的方法。