With only a few days left until the Petzl Roc Trip, we thought it would be a good time to go over some basic rope handling techniques for multi-pitch sport climbing.
离petzl的攀岩之旅还有几天，现在回顾一下多段结组运动攀登的基本绳索操作技术正是好时候。
With only a few days left until the Petzl Roc Trip, we thought it would be a good time to go over some basic rope handling techniques for multi-pitch sport climbing.
离petzl的攀岩之旅还有几天，现在回顾一下多段结组运动攀登的基本绳索操作技术正是好时候。
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