绝缘密封 meaning in Chinese

insulated enclosure

Standard test method for insulating and sealing effectiveness of joint in coating pipelines
管道防腐层补口绝缘密封性试验方法标准
Established in 1978 , we are one of the chinese manufacturers specialized in sealing packing , ptfe products , asbestos products , graphite products , rubber products , gasket , and other insulation , safety sealing materials
余姚市腾密封制品厂创建于1978年，是专业生产制造密封盘根，聚四氟乙烯制品，石棉制品，石墨制品，橡胶制品及其他绝缘密封材料。