1/2英寸内螺纹管道连接器
internal one-half inch thread conduit connection
串联盘式管道连续输送机
Continuous conveyor of disc-tube assembly
分布式连接管理
Distributed Call and Connection Management
distributed call and conn ection management
分段连接管道法
sectorial pipe-coupling method
接管连接部位
nozzle conjunction location
双层管单层连接管道
double-walled pipe with single-walled connection
松的油管道连接
loose oil line connection
轴向压入式管道接头
axial press-in-type pipe fitting
对角连接方式
diagonal brace configuration
交叉电流连接方式
cross current connected mode