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Undisturbed sampling drilling tool adopting semi-closed pipe structure
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Automatic rod storage mechanism for drilling machine
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Grouting control method, device and system
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A kind of intelligent long stroke high-pressure rotary-spray drilling machine suitable for RJP and MJS engineering method
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A kind of integrated churn of soil and groundwater sampling reparation
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A kind of strength pore-forming one drilling machine suitable for bottom hole impact whirl spraying engineering method
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A kind of slurry injection nozzle device of included sealing device
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A kind of band opens and closes the dual slurry injection nozzle device of function certainly
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A kind of drilling machine promotion pressurization speed measuring device
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A kind of stratum slip casting feedback pressure sensing device
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A kind of multi-station drilling machine power head mounting rack
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A kind of probe tube cuts open pipe device
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A kind of sampler drill draws hook with quickly carrying
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A kind of drilling rod Rapid lifting device
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A kind of direct-push soil sample drilling tool component
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For building the spiral drill component of water sample monitoring well
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Can self-return day mechanism of car
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A kind of drilling machine advance frame sliding track mechanism
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A kind of haulage gear of drilling machine with pooling feature
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Direct-push shaft building water sampling drill tool assembly
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