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top drive drilling equipment
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top drive drilling equipment
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钻井装备
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top drive drilling equipment
顶部驱动钻井装置
动力从井架的顶部直接驱动钻具进行旋转钻进,并能完成多种钻井操作的钻井装置。又称顶驱或顶驱装置。
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Fikhtengol
Fikhtengol'tz
Fikhtengol’tz
filament
filament activation
filamentary
filamentary discharge
filamentary instability
filamentary nebula
filamentary nebulosity
filamentary structure
filamentation
filament channel
filament composite yarn
filament filter medium
filament foot
filament lamp
filament line in a fluid
filament nonwoven
filament of chromosphere
filament of the nebula
filament oscillation
filamentous actin
filamentous fungal receptor cells
filamentous lichen
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