如果一个坏人把一个扳手扔到机器上，那么传送带所带的轮齿序列显然可能被改变，比如从红-蓝-蓝变为红-绿-蓝。

If a villain throws a wrench into the machine, the sequence of cogs carried along the conveyor belt could change visibly - say from red-blue-blue to red-green-blue.

youdao

在手指旋转使螺纹啮合无间隙后，再用带式扳手旋转不要超过一至两圈。

Apply strap wrench make-up of no more than one to two turns beyond finger tight thread engagement.

youdao

这使得不用扳手，而是使用带手轮的螺母就可以进行连接。

This allows the connection to be made without a wrench, using a nut equipped with a hand wheel.

youdao