关于热电偶测温,不正确的说法为:( )。 A. 热电偶的输出一般为毫伏级 B. 热电偶测量的是温差而不是绝对温度 C. 热电偶测量时采用补偿导线是为了对进行温度补偿 D. 补偿导线应与热电偶型号一致
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【简答题】阅读理解。 Do you know that man? He is my uncle. His name is David Smith. He is forty-eight this year. He is a worker. He works in a Car Factory. His factory (工厂) is not near his home. So he gets up early ...
【单选题】Henry's job was to examine cars which crossed the frontier to make sure that they were not smuggling anything into the country. Every morning,except at weekends,he【11】see a factory worker coming up th...