turnbuckle
'tә:n.bʌkl
基本解释
n. 松紧螺旋扣
[机] 松紧螺旋扣
英文释义
n. an oblong metal coupling with a swivel at one end and an internal thread at the other into which a threaded rod can be screwed in order to form a unit that can be adjusted for length or tension
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