Skip to main content
ins.: 2019-05-01 02:00; ( Age: 5 yrs )
By: Scientists
Category: Eger_
Eger_

Eger: 2019-05-01

borehole control tilt and ultra sound, drilling is stopped and
ultra sound sensor

borehole control tilt and ultra sound, drilling is stopped and stabilized with concrete between 90 and 135m