1、膨胀联轴节
... expansion coil 膨胀盘管 expansion coupling 膨胀联轴节 expansion pipe 伸缩管 ...
2、胀缩联轴节
... excitation-secretion coupling 兴奋分泌偶联 expansion coupling 胀缩联轴节; 补偿联轴节 extension coupling 伸缩联轴器 ...
3、胀缩联结器
... 压缩联结器 compression coupling 胀缩联结器 expansion coupling 凸缘联结器 flange coupling ; coupling flange ...
4、伸缩节
... double nipple，对丝连接套 expansion coupling，伸缩节 female-quick coupling，内丝块接头 ...
expansion ring coupling管接头胀圈
expansion n coupling膨胀联轴节
strong coupling expansion强耦合展开