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钻具故障
释义
钻具故障
Encyclopedia
工学
钻井复杂事故种类
释
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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root condition
root confinement
root crops sowing machine
root crown
root cutter
root datum
root decomposition
root dictionary
root directory
root-dragging theorem
rooted
rooted graph
rooted star tree
rooted tree
rooted-tree analysis
root element
root excavator
Root Exploration
root exponent
root extraction
root exudates
root feeders
root field
root-finding
root finding algorithm
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