通常与金混合的金属有镍 、 铂和铜.Metals commonly mixed with gold are nickel, platinum, and copper.由铂或铂铑组成的热电偶给出精确的温度指示.A thermocouple made of platinum / platinumrhodium provides the accurate temperature sensing.“ 弗来萨”备有铂模板.The " Flasha...
a premise that allow of only one conclusion假设容许只有一个结论I disagree with the premise that economic development has priority over the environment.我不赞成经济发展应优先于环境保护这个前提。Electrification of the countryside is the premise of agric...