找根細鐵絲或者結實點的細繩，擰個一拉扣，順著放下去，先拉緊扣子，然後用力拉就應該可以。

來源: 孤舟獨釣於 2015-08-31 13:50:29 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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找根細鐵絲或者結實點的細繩，擰個一拉扣，順著放下去，先拉緊扣子， 然後用力拉就應該可以。