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。

youdao

So the hydraulic automatic tilting gate with connecting lever and rolling wheel can ensure the stability of itself.

根据静态平衡理论分析研究了连杆滚轮式水力自动翻板闸门的静态稳定性。

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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。

youdao

"(Today) it is more of a gate, first of all for Romania connecting (the country) with the world, and in same time it is a gate for central and Eastern Europe, " he added.

CNN: Is Danube Romania's 'blue motorway' to prosperity?

Sometimes he alerts gate agents at the connecting flight of the special delivery, though he can't ask them to hold flights.

WSJ: The Tarmac Express: A Porsche to the Plane

Nearly two-thirds of travelers told FlightView that they would value mobile access to walking directions from to their departure gate, especially when changing planes on a connecting flight.

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