这种角度导致了攀岩者下降时，施加在快挂上的作用力更大，与绳子接触的那一段钩环也比其他的要磨损更严重。
This angle causes more force to be exerted against the carabiner as every climber is lowered, and this force causes the rope biner on the first draw to wear faster than other draws.
这种角度导致了攀岩者下降时，施加在快挂上的作用力更大，与绳子接触的那一段钩环也比其他的要磨损更严重。
This angle causes more force to be exerted against the carabiner as every climber is lowered, and this force causes the rope biner on the first draw to wear faster than other draws.
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