| 摘要 |
<p>Precision resistance, consisting of a winding on an insulated support, in which the winding consists of a conductor wire of predetermined temp. coefficient, which is itself wound as a spiral on an insulating core. Specif. the wire is an alloy, e.g. N2-Cr, or Cu-Ni with a temp. coefficient 5 x 10-6 degrees C, and the core is a flexible cord., e.g. cotton or glass fibre.</p> |
