我接电话，就顺手把内绳放我膝盖上了。
I answered it with one hand and put the string down with the other onto my lap.
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。
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.
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