6.9 Reciprocal levelling
Автор: Civil Modules
Загружено: 2019-12-09
Просмотров: 39695
Описание:
What is Reciprocal Levelling ?
Reciprocal levelling is a method of levelling which is used to determine the difference in elevation between two points which are very far apart and it is not possible to set the instrument between them.
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