- A metal coupling device consisting of an oblong piece internally threaded at both ends into which the two sections of a threaded rod are screwed in order to adjust the tension of the rod.花篮螺丝，松螺旋扣：一种金属的连接环呈椭圆形，两端有内旋螺纹，用来拧紧带螺纹的拉杆的两个部分从而调整拉杆的张力
| 单词 | turnbuckle |
| 释义 | turn·buck·le
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