pullback

名词 pullback:

1. a device (as a decorative loop of cord or fabric) for holding or drawing something back
   同义词：tieback
2. (military) the act of pulling back (especially an orderly withdrawal of troops)

pull.back

n.（名词）
The act or process of pulling back, especially an orderly troop withdrawal.
退却：尤指队伍有次序退却的步履或进程
A device for holding or drawing back:
回拉装配：一种用于往回拉的装配：
例句：
a pullback for heavy draperies.
拉重幔帐的挂钩