The speed of vertical rope climbing was also reduced.

垂直爬绳的速度也降低了。

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First: the position of the first bolt invariably leads to a greater Angle in the rope as the belayer stands away from the vertical plane.

第一：因为保护者站在离开岩壁的地方，第一把快挂总是导致通过它的绳子弯曲成很大的拐角。

youdao

If the object is vertical and smooth, and there is danger of the rope slipping, take an extra wrap around the object.

如果该物体是垂直且光滑的，有缰绳滑落的危险，就加用绳来包裹住物体。

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