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1·As important protection equipment of hydro generator units and steel penstock, the water intake rapid-drop gate of the generator unit plays an important role.

作为水轮发电机组和压力钢管的重要保护设备，机组进水口快速工作门起着至关重要的作用。

2·For the bottom of the boilers not set cut-off gate of hydraulic generator, common inside guiding wheel is difficult to meet their long running time of need.

对于炉底未设液压关断门的机组，普通内导轮难以满足其长周期安全运行的需要。