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drilling chemical
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drilling chemical
Encyclopedia
工学
钻井用化学品
释
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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electronic commerce security
electronic commerce strategy evaluation
electronic communications system
electronic competition
electronic component pastes
electronic component tester
electronic computer
electronic conduction
electronic configuration
electronic configuration in molecule
electronic constant energy suface
electronic constant energy surface
electronic consumer
electronic consumer, e-consumer
electronic contract
electronic control
electronic control distributor type injection pump
electronic control of magnetism
electronic counting decade
electronic coupling
electronic court
electronic creep testing machine
electronic currency
electronic currency, e-currency, e-money, cyber-currency
electronic current transformer
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