turnbuckle的翻译，读音
英/'tә:n.bʌkl/
释义：
n. 松紧螺旋扣
[机] 松紧螺旋扣
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
[机] 松紧螺旋扣
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