際際滷


Ielts speaking by suman jyoti 2020/021

4 years ago 147 Views

Topographic map level transfer to traverse

6 years ago 159 Views

Road alignment survey 01

6 years ago 187 Views

Bridge site survey 01

6 years ago 745 Views

Theory of theodolite traversing

6 years ago 2738 Views

Theory of linear measurement

6 years ago 1227 Views

Tacheometry survey of detailing

6 years ago 397 Views