spacer sleeve meaning in English

挡套
隔离套筒

Cranes ; bottom blocks ; spacer sleeves for type c rope pulleys with deep groove ball bearing , without internal sleeve
起重机的下滑车.无内轴套深滚道滚珠轴承的c型绳索滑
Cranes ; bottom blocks ; internal sleeves and spacer sleeves for type b rope pulleys with deep groove ball bearing and internal sleeve
起重机.下滑车.带深滚道滚珠轴承和内套筒的b型绳索轮
Cranes ; bottom blocks ; internal sleeves and spacer sleeves for type a rope pulleys with cylindrical rolling bearing and internal sleeve
起重机.下滑车.带圆柱形滚动轴承和内套筒的a型绳索轮
Zmd series of magnetic drive pumps adopt spacer sleeves made of most updated materials , with high - strength mechanics properties , and eliminate magnetic eddy current of common magnetic drive pumps completely
Zmd系列磁力驱动泵采用最新材料制成的隔离套具有高强度的力学性能，彻底消除了一般磁力泵具有的磁涡流现象。