dipper trip rope 开斗装置绳索
trip-rope control 接合杆绳索控制
trip rope WESTBANK 桩锤活索
dipper door trip rope 开挖掘机铲斗底的钢丝绳
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。
There are picture of a gymkhana, an autumn trip and a rope skipping match. in one picture a girl jumps so high that she looks like she is flying!
有运动会,秋天旅行的图片,并且跳女孩跳那么高的match.in一图片的绳索她看,如她飞行!
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