龍洞的Bolt種類及辨識/The bolts recognizing for LONG DONG
資料來源 : https://www.facebook.com/pg/TaiwanRebolt/photos/?tab=album&album_id=2226388050970767&__xts__%5B0%5D=68.ARBzdDMfy7L2wC1Ptfj5jUK6RPJurN-wd5aH_UGaYS3qEzr26eBy14TZMmkoYVcDFTvLAcdZBWsaFpRle0kl64Q_US7_0Uh8Dovg2oHyYatrDH4oMAH9Zm1GIQG4-HgkbvXFH_YCaF-sxhfnliskIl4XOEdETuYSmsTcc-8_h_PPlW_SXBK4c7ZJ9US-YJOjr6kiwR9qIKsnkLs6Sg86bJSl03l6Sd-Z9sbbkOZD3eiEbcu4UJlr8CsUJpJWv_j7hihDY_Z9q_707WlnrRPtXTlFVlN7Q3VlGzNq2bIicy8u06n6d9LIYQBSV3KLULV5mDhlHtk&__tn__=-UCH-R 目前網路上的龍洞Bolt資料庫,主要為「龍洞攀岩資料庫」