M点高程HM=43.251m,测得后视读数a=1.000m,前视读数b=2.283m。则视线高Hi和待求点N的高程分别为:()

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

时间:2022-11-10 22:22:37 所属题库:第十二章工程测量题库

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