air dth water well drilling rig, air dth water well ...
Application: suitable for the workers, civil drilling, ground drilling, with a large diameter drilling, drilling deep, footage fast, flexible mobile, suitable for wide geographical. self-propelled air DTH Pneumatic water well mining drill rig small drilling machine Drilling diameter (mm) 100-254 Drilling depth (m) 200 Drilling direction (°) and the ground into a 45 ° -90 ° Drilling tool length of advance (mm) 1500 Motor power (kw) 11 Drilling …
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