copper/copper-nickelthermocouplewires词语:copper/copper-nickelthermocouplewires解释:铜-铜镍热电偶丝[一个热电极为纯铜,另一个热电极为铜-(40~60)%镍的合金丝组成的热电]词典:仪器仪表专业英汉词典......