take-up /ˈteˌkʌp/
拉緊,緊線器
take-up
接納
Take-up n. Mach. That which takes up or tightens; specifically, a device in a sewing machine for drawing up the slack thread as the needle rises, in completing a stitch.
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take-up
n 1: a device for reducing slack or taking up lost motion
2: the action of taking up as by tightening or absorption or
reeling in