A点高程为50.000m,测得hAB=-1.401m,hBA=1.408m,则B点高程为()米
- AA.48.569
- BB.48.596
- CC.-1.404
- DD.1.404
A点高程为50.000m,测得hAB=-1.401m,hBA=1.408m,则B点高程为()米
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