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 (usually aluminum) with a spring-loaded gate on one side used for connecting various parts of a climbing system.
虽然腰板挺不起来，动作却很矫捷，白色的胡子向前挺着，好像明虾的胡子一样，他推开了弹簧门，走了进去。
A very old man, bent but active, with white moustaches that bristled forward like those of a prawn, pushed open the swing door and went in.
一个年纪很老的人，虽然腰板挺不起来，动作却很矫捷，白色的胡子向前挺着，好像明虾的胡子一样，他推开了弹簧门，走了进去。
A very old man bent but active with white moustaches that bristled forward like those of a prawn pushed open the swing door and went in.
自动复位弹簧门特设磁吸门封，存取物品方便自如；
Automatic reset spring door is equipped with magnetic attraction door cabinet , convenient for storing goods;
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。
Metal loop with a spring-loaded gate on one side used for connecting various parts of a climbing system.
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