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据美国白宫10月26日消息，美国与马来西亚签署谅解备忘录，合作实现全球关键矿产供应链多元化和促进投资。该备忘录将加强双方在关键矿产供应链开发和扩展方面的合作；促进参与方在关键矿产资源勘探、开采、加工和精炼、制造以及回收和恢复方面的贸易和投资；支持向高效、安全的关键矿产和稀土市场转型，以提高美国和马来西亚关键矿产和稀土供应链的安全和繁荣。

A heat pump is a device that transfers heat energy from one source to another. It is used in both industrial and residential areas. It offers an energy-efficient alternative to furnaces and air ...