slackline
n. 走扁带;松弛索;[林] 松线式索道
例句
A novel, simple and reliable control method is presented to resolve reverse ruler and slackline problems caused by acceleration during falling down of stock rod in blast furnace.
为解决高炉探尺放尺过程中加速度所造成的倒尺和松绳问题,提出了一种新颖、简单、可靠的控制方案。