Guide vanes have inhibiting device, and the guide vane which has been cut off will not spin in order to avoid collisions with other guide vanes.

导叶设有限位装置，剪断销剪断的导叶不能随意转动，避免与其他导叶碰撞。

youdao

To say it's natural for us to do so is not to say we engage in political life spontaneously and avidly, as you might say spiders spin webs or ants build anthills.

说我们本能地会那么做,并不代表,我们自然且贪婪地,忙于政治生活，就像蜘蛛结网,或蚂蚁筑蚁冢。

耶鲁公开课 - 政治哲学导论课程节选

So why not spin off the cable channels as an independent company and unlock some value for shareholders?

FORBES: Spinoffs

So why not spin it off to shareholders where it can sink into oblivion on its own when it runs out of cash and borrowing power?

FORBES: Icahn's Motorola Morass

And I really believe that, that is not spin.

BBC: What if Supreme Court strikes down Obama healthcare act?