water well drilling rigs, designed to drill boreholes
Due to the different purposes and construction objects of rock and soil drilling and tunneling, there are many types of drilling rigs. Drilling rigs can be classified by purpose, such as core drilling rigs, oil drilling rigs, hydrogeological survey and water well drilling rigs, engineering geological survey drilling rigs, tunnel drilling rigs, and engineering construction drilling rigs. According to drilling methods, drilling rigs can …
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