Metal loop (usually aluminum) with a spring-loaded gate on one side used for connecting various parts of a climbing system.
一侧有弹簧门的金属环状物(通常为铝)，用于连接攀登系统的各部分。
Metal loop with a spring-loaded gate on one side used for connecting various parts of a climbing system.
一侧有弹簧门的金属环状物，用于连接攀登系统的各部分。
Metal loop with a spring-loaded gate on one side used for connecting various parts of a climbing system.
一侧有弹簧门的金属环状物，用于连接攀登系统的各部分。
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