衔铁颤动的英文：
armature bounce

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。

bounce是什么意思：
v.（使）弹起；（使）反弹；蹦蹦跳跳；反射，转播
n. 反弹；跳，跃；弹性；弹力

That is a bouncing baby.
那是一个健康活泼的婴儿。

One bounce and hit, remember?
球落地一次就打，记住了吗？

Children like bouncing on the bed.
小孩子们都喜欢在床上蹦来蹦去。

She bounced into the classroom.
她蹦蹦跳跳地进了教室。

His cheques were bounced.
他的支票被拒付了。