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钻井用化学品
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钻井用化学品
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钻井用化学品
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drilling chemical
钻井用化学品
在油气钻井和固井过程中,为加快钻井速度、提高效率、保证钻井安全和提高固井过程中水泥环质量、降失水和防气窜等所使用的化学品。
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soil acid saturation degree
soil actinomycetes
soil active acidity
soil adhesion
soil adhesive
soil-adjusted vegetation index,SAVI
soil adsorption
soil adsorption isotherm
soil aeration
soil ages
soil aggregate fractionation
soil aggregates
soil air
soil air sampler
soil algae
soil alkalinity
soil alkalinization
soil amelioration
soil amendment
soil ammonium fixation
soil analysis
soil and atmospherically resistant vegetation index,SARVI
Soil and Fertilizer Sciences in China
soil and health
soil and rock erosion
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