turnbuckle
音标['tә:n,bʌkl] 读音
汉语翻译
n. 松紧螺旋扣【机】 松紧螺旋扣
英语解释：
名词 turnbuckle:
- 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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