灭火系统保持在待用状态。

Fire extinguishing systems remain on stand-by.

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所述支撑架为支撑锥套，通过橡胶帘、压板与下法兰安装一起，待释放状态的缆绳内抽头与沉物用弹簧挂钩相连；

The cable is wound around the supporting frame between two flanges and before the releasing state, the top end of cable is linked with a sunk object via hook.

youdao

所述支撑架为支撑锥套，通过橡胶帘、压板与下法兰安装一起，待释放状态的缆绳内抽头与沉物用弹簧挂钩相连；

The cable is wound around the supporting frame between two flanges and before the releasing state, the top end of cable is linked with a sunk object via hook.

youdao