come-along
US /ˈkʌm.ə.lɔŋ/
UK /ˈkʌm.ə.lɔŋ/

1.
紧线器, 手摇绞盘
a device for pulling or tightening, typically consisting of a ratchet and pawl mechanism with a chain or cable
:
•
He used a come-along to pull the fence posts tighter.
他用紧线器把栅栏柱拉得更紧。
•
The mechanic needed a come-along to align the heavy machinery.
机械师需要一个紧线器来校准重型机械。