contact block meaning in English

导电接头
光胶盘
接触块
接点块
接点排

A maximum of three aux . contact blocks available
M型:三组热阻体。
Mc accessories cna - xx : top and side mounting aux . contact blocks
辅助触头采双触头设计提高可靠度。
The study on the movability of the face - contacted blocks in overlying strata above the longwall face in datong
大同采场覆岩面接触块体可动性判定研究
Can install auxiliary contact blocks , demolition , easy to install , easy to maintain contact inspection
可加装辅助触头块，上盖拆卸安装容易，便于触头检查维护。