衔铁架的英文：
armature bracket

armature是什么意思：
n. 甲胄,防卫器官,盔甲,电枢

Most conventional permanent magnet motors can accept an armature current three or four times the rated current
大多数普通的永磁式电动机能承受3～4倍额定值的电枢电流。

bracket是什么意思：
n. 括弧，括号；托架；类别，等级；阶层
v. 括在一起；把…归入同一类；把…分类；为…装托架

Delete the items in the bracket as appropriate.
删除括号中不适用的称谓。

They bracketed discussion off for a moment.
他们对问题暂停讨论。

The children were bracketed into groups.
孩子们被分成几类。

Don' t bracket them ( together ).
不要把他们相提并论。

I think you should bracket this word.
我认为你应该给这个字加上括号。