bush ring

基本解释

This bush flowers in the ring.
这种灌木春天开花。
The pin and the bush are assembled together in a positional relationship where the ring portion of the bush is held between the engagement and coupling pawls of the pin.
所述销和套组装在一起以使套的环部被保持在销的接合棘爪和连接棘爪之间。
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Since some components such as ejector pin, locating ring , sprue bush , water junctions and springs are not included in the mould base, these components are purchased independently.
由于某些原件诸如顶针、定位环、浇口套、弹簧等是不包含在模架里的，因此需要单独购买。

So did both Hillary Clinton, America's secretary of state, and, surprisingly, George W. Bush, who stirred from his post-presidential obscurity to ring Mr Cameron and urge him to bring the UUP into line.
ECONOMIST: Policing Northern Ireland