一個人可以玩抱石/用Auto Belay機器(線路選擇有限). 兩人體重相差較大可以用Ohm,可以抵消10-40kg

來源: happymask 於 2024-01-23 09:09:04 [舊帖] [給我悄悄話] 本文已被閱讀：次

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