Geological drilling rig
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Core geological tshawb nrhiav drilling rig
Qhia txog HZ Core Laum Rig - qhov kev daws teeb meem zoo tshaj plaws rau cov dej num hauv kev tshawb nrhiav Geological Survey, Geophysical Exploration, Road thiab Construction Exploration, thiab Blast thiab Breakhole. HZ laum rig yog tsim los muab kev kub ceev drilling peev xwm, ua rau nws yog ib qho kev xaiv zoo heev rau cov tub txawg tab tom nrhiav kom yooj yim rau lawv txoj haujlwm drilling.
