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drilling rock reamer hdd
Selling leads
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...Drill Rig Product Description UJ22 is a full hydraulic tunneling jumbo drilling rig for medium and large tunnel development in highways and ...
2026-07-08 00:38:00
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... to industrial and civil drilling, geothermal drilling. Drilling depth can reach 300m Steels quality is good, torque is large It can use 3m, 6m ...
2025-12-16 15:53:35
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...Drill Rig For 180m Drilling Description: GL180R light Weight Pneumatic drilling rig is especially suitable for water intake in mountainous and ...
2026-07-08 00:38:00
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...). An annular gap is formed between the inner and outer pipes, which is a channel for pumping flushing medium to the bottom of the hole during ...
2024-12-09 21:25:43
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...Drill Rig For Air Drilling Description: GL300S water well drilling rig is especially suitable for water intake in mountainous and rocky strata. ...
2026-07-08 00:38:00
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... The pipe body is made of domestic well-known large iron and steel enterprise. The inner thickening process is adopted at both ends of the pipe ...
2024-12-09 22:31:21
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...powered by compressed air transmitted via drilling rod to drive piston and produce impact power, which is then delivered into rocks for drilling ...
2025-05-12 23:34:21
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... drilling in soil layers and low construction efficiency of rotary drilling rigs for hard rock layers, gravel and pebble layers. Core drilling NQ...
2025-12-16 15:53:50
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...Drilling Rig for Water Bore Drilling Driven by Diesel Engine Drilling Rig Show: Description of GL-400S: It is a high efficiency and multi...
2026-07-08 00:38:00
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...Drill Rig Description: GL-180R crawler drill rig is widely used in drilling water wells, agricultural irrigation wells, geothermal air conditioning ...
2026-07-08 00:38:00
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