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drilling string trouble
钻具故障
在钻井施工过程中,井下钻杆、钻铤等钻具因疲劳破坏、腐蚀破坏、机械破坏或事故破坏,造成的机械性能发生改变,发生断脱、断裂、刺穿等现象。
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general Cayley algebra
general cayley algebra
General Certificate of Education Advanced Level Examination
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General Chai and lady balsam
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general chart of the sea
general chronicles
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general circulation in China
general circulation model
general circulation of atmosphere
general circulation of stratosphere and mesosphere
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General Collection of Jingming on Loyalty and Filial Piety
General Collection of Qing Dynasty Proses
general combining ability
general community building
general compact group
General Confederation of Workers-Independent
General Conference on Weights and Measures
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