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Drilling depth of water wells | 200m(152mm~203mm) | 300m(152mm~203mm) | 800m(152mm~203mm) |
Rope core with a diameter of 75mm | 300m | 450~500m | 1200m |
Drilling (drill bit) diameter | Ø75~Ø350mm | Ø75~Ø350mm | Ø75~Ø350mm |
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