Three plane gates, including the middle, low and bottom gate, are provided in the conveyance shaft, and connected by telescope joint-type hoist rods which are capable of being lengthened and shortened.

  • 在输水竖井中设有中、低、底3扇平板挡水闸门,由可伸缩的套接式拉杆连接;

  • 互联网摘选 2025-01-20 00:06:43

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