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On measures to improveeffectiveness of pump suc-tionreverse circulation drillin,
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作者 wu guanglin chengdu institute of technology,chengdu 610059,china 《西部探矿工程》 CAS 1995年第5期27-32,共6页
ONMEASURESTOIMPROVEEFFECTIVENESSOFPUMPSUCTIONREVERSECIRCULATIONDRILLINGWuGuanglinChengduInstituteofTechnolog... ONMEASURESTOIMPROVEEFFECTIVENESSOFPUMPSUCTIONREVERSECIRCULATIONDRILLINGWuGuanglinChengduInstituteofTechnology,Chengdu610059,C... 展开更多
关键词 PUMP SUCTION REVERSE CIRCULATION DRILLING DRILLING for foundation PILE construction water well DRILLING
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