spheroidal graphite casting

例句：

1. 1. The new model car has a spheroidal graphite casting that is lighter and more efficient than itspredecessor.
   这款新型汽车采用了球形石墨铸件，比前代产品更轻、效率更高。
2. 2. The engineer used the spheroidal graphite casting to create a complex structure that was both functional and aesthetically pleasing.
   工程师利用球形石墨铸件创造出既实用又美观的结构。
3. 3. The spheroidal graphite casting was designed to withstand high temperatures and pressures, making itideal for use in industrial applications.
   球形石墨铸件设计用于承受高温和高压，因此非常适合工业应用。