constantan

名词 constantan:

1. an alloy of copper and nickel with high electrical resistance and a low temperature coefficient; used as resistance wire
   同义词：Eureka

con.stan.tan

n.（名词）
An alloy of 45 percent nickel and 55 percent copper, used chiefly in electrical instruments because of its constant resistance.
康铜：一种用45％的镍和55％的铜组成的合金，因其具有恒值电阻而主要被用于电表仪器中

来源：
From constant
源自 constant