绝缘垫块 meaning in Chinese

crossover block

Insulating mats made from natural rubber or synthetic elastomer
天然橡胶或合成橡胶制绝缘垫块
Mbly of the ministry of mechanism , a member of transformer branch association of china electrical appi - l iance industry association , it s one of the all complete producers of transformer oil pump , oil flow ndicator ,
泵油流继电器bct端子盒ct接线板绝缘端子绝缘垫块油位计变压器风扇蝶阀压力释放阀