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孔底动力钻具
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孔底动力钻具
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钻具
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downhole motor
孔底动力钻具
位于钻柱下部,由钻井液(循环介质)或电力驱动,实现回转、冲击碎岩的钻具。
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accelerated solvent extration system
accelerated stability test of pharmaceutical preparations
accelerated sulfur vulcanization
accelerating convergence
accelerating dying
accelerating field
accelerating flow
accelerating gap
accelerating grid
accelerating impact
accelerating lens
accelerating potential
accelerating structure
accelerating system
accelerating tube
accelerating unit
accelerating universe
accelerating voltage
accelerating wave
acceleration
acceleration amplitude
acceleration bucket
acceleration coefficient
acceleration curve
acceleration factor
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