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简答题如图所示,已知A点高程为30.725m,计算B点高程及A、B两点高差。
  • 已知HA=30.725m
    1点高程=30.375+2.334-1.100=31.959m
    2点高程=31.959+2.562-1.236=33.285m
    3点高程=33.285+2.415-1.983=33.717m
    HB=33.717+2.626-0.997=35.346m
    AB两点高差HAB=35.346-30.725=4.621m
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