backstoping meaning in English

上向梯段回采

Backstop for belt conveyer
带式输送机用逆止器
Backstop porter bar
后定位送料杆
Sports equipment and playground for middle school primary school part 3 : basketball backstop
中小学体育器材和场地第3部分：篮球架
And as far as aging backstops go , he ' s posting arguably the best season in the history of the game
就捕手而言，小波甚至可以说是拥有历史上最棒的球季表现了。
The common language runtime provides a backstop for certain unhandled exceptions that are used for controlling program flow
公共语言运行库为用于控制程序流的某些未处理异常提供支撑：

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