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洗井
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洗井
Encyclopedia
理学
水井钻进作业
释
well washing
洗井
水井打成之后,需替换和清洗井内的泥浆、沉淀物,以及井壁泥皮和含水层孔隙内的堵塞物等,使砾料和靠近砾料含水层中的颗粒重新按其大小自然排列,以形成良好的人工过滤层,水流畅通并达到水清、砂净的作业。
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analysis methods for species of radionuclides
analysis model
analysis of absolute configuration for chiral drug
analysis of acid rain
analysis of acquired immune deficiency syndrome,in-vitro diagnostics
analysis of adverse drug reaction
analysis of algorithms
analysis of alkaloids
analysis of allergic impurity in antibiotics
analysis of allergic substances in drug
analysis of allergy
Analysis of Amino Acid Drugs
analysis of amino acids
analysis of aminolycoside antibiotics
analysis of antibiotic-loaded bone cement
analysis of antibiotics
analysis of archival statistics
analysis of available water supply
analysis of benzine
analysis of biological sample pretreatment techniques
analysis of blood grouping in-vitro diagnostics
analysis of catheter contained drugs
analysis of cause of death
analysis of chemical composition of rocks and minerals
analysis of chemical constituents of botanicals
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