Proprietary ceramic tube sockets with silver contacts.

专有的陶瓷管插座与银接触。

youdao

The rotating contacts are made with copper or silver sheet and have rectangular shape glued on the wheel.

旋转接触与铜或银板，并有长方形胶结对车轮。

youdao

The contactors feature silver cadmium oxide, double break contacts to assure a long electrical life, high weld resistance and excellent interrupting capacity.

这种接触器采用银氧化镉材料，双断接点，有利于保证较长的电气寿命、较高的抗焊接性能和杰出的断开容量。

youdao

The four-inch square patches can then be joined together using Velcro that contains silver-coated contacts to enable electrical connectivity.

CNN: The bag that watches your wallet