M点的高程为43.251m,测得后视读数为a=1.000m,前视读数为b=2.283m,则视线高Hi和待测点B的高程分别为()m

A . 45.534,43.251 B . 40.968,38.685 C . 44.251,41.968 D . 42.251,39.968

时间:2022-10-11 19:52:16 所属题库:工程测量学题库

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