... 应急速闭阀：quick closing emergency valve 应急手动装置：emergency hand-drive 应急手动操纵装置：emergency hand control device ...
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当发生电器材故障时可以通过应急手动装置直接推动振动架达到破拱目的。
The vibrating grid can be directly pushed by the emergency hand-drive, when the failure of electric equipment occurs, and the purpose of the arch breaking is realized.
振动架下部安装有一个应急手动装置，使用手动装置可推动振动架，其手柄在料仓的外面。
An emergency hand-drive is arranged on the lower part of the vibrating grid, the vibrating grid can be pushed by a hand-operating device whose handle is arranged outside the bin.
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