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CN110055963A
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A kind of water water level located underground is with the construction technology of lower bolt
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CN109900535A
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It is a kind of for dispensing device native in water ratio test
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CN110067515A
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It is a kind of quickly to unload soil and sampling into drill
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CN109881696A
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A kind of HPPG back cover construction method
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CN109854263A
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The excavation method of service channel portal in a kind of competent bed
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A kind of occlusion water-stop curtain stake and the construction technology with its production occlusion water-stop curtain
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CN109356162A
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A kind of OPT interlocking pile slip casting around pile water-stopping method and slip casting pipe device
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CN109610524A
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The detection of OPT interlocking pile and course control method for use
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CN108867647A
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A kind of pile integrated construction functional steel tubing string vertical adjustment machine
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CN108797620A
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A kind of OPT construction method of interlocking pile
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CN108301769A
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A kind of RW types horizontal well construction method and its drilling tool used
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CN108086910A
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Long spire extruded and extended pile drilling machine boring method and long spire extruded and extended pile drilling machine
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CN108104145A
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A kind of down tube technique of the well double-wall corrugated filter pipes of DKPE
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CN108222042A
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A kind of novel evacuated well sealing device and its installation method
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CN108043084A
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A kind of well double-wall corrugated filter pipes of DKPE
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CN108062447A
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A kind of method predicted diving precipitation and influenced on building settlement
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CN108133108A
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A kind of method predicted artesian water precipitation and influenced on building settlement
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CN108090291A
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A kind of computational methods for predicting artesian water suspended cutoff Pit Discharge
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CN107869146A
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A kind of method with clean-out machine Dewatering well
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CN107956420A
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A kind of hand-held drilling rig and boring method
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