- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
單項(xiàng)選擇題
A點(diǎn)高程為50.000m，測得hAB=-1.401m，hBA=1.408m，則B點(diǎn)高程為（）米
A.48.569
B.48.596
C.-1.404
D.1.404
B.48.596
C.-1.404
D.1.404
