bushing

名词 bushing:

1. an insulating liner in an opening through which conductors pass
2. a cylindrical metal lining used to reduce friction
   同义词：cylindrical lining

动词 bush:

1. provide with a bushing
   同义词：bush

1. There is a rose bush in front of the office.
   办公室前有一丛玫瑰。

bush.ing

n.（名词）
A fixed or removable cylindrical metal lining used to constrain, guide, or reduce friction.
衬套，套管：一种固定或可移动的圆柱形金属套管，用来压紧、引导或减小摩擦
Electricity An insulating lining for an aperture through which a conductor passes.
【电学】 绝缘套管：为导体的通过提供缝隙的绝缘套管
An adapter threaded to permit joining of pipes with different diameters.
导线套管：允许不同直径的导线形成的导线束通过的衬套

来源：
From bush 2
源自 bush2