cast metal base

例句：

1. 1.The engineer used a cast metal base to support the heavy equipment.
   工程师使用一个铸造金属基础来支撑重型设备。
2. 2.The foundation of the building is made of cast metal.
   这座建筑的基础是用铸造金属制成的。
3. 3.The baseplate was designed to fit perfectly into the cast metal frame.
   基板设计得能完美地嵌入铸造金属框架中。