| 释义 |
bush·ing
\ˈbu̇shiŋ, -shēŋ\ noun
(-s)
Etymology: from gerund of bush (IV)
1. : a usually removable lining or sleeve of metal or other material that is inserted or screwed into an opening (as of a mechanical part) to limit its size, resist wear or erosion, or serve as a guide
2. : an insulating sleeve inserted in an opening in a metal plate or case (as of a microphone or electric clock) to protect a through conductor from abrasion and possible short circuit
3. : an internally and externally threaded plug for connecting a pipe or fitting with another of different size |