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转盘钻井
释义
转盘钻井
Encyclopedia
工学
钻井方法
释
rotary drilling
转盘钻井
在钻台的井口处装有转盘,转盘中心旋转部分有方孔,钻柱最上端的方钻杆穿过该方孔,转盘的转动可以驱动方钻杆转动,带动其下端连接的钻柱转动,从而驱动钻头转动破岩,或从事其他需要井下工具旋转的钻井方法。
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one-pion exchange potential, OI
one-place
one-place calculus
one-place number
one-place operation
one-place predicate
one-place predicate calculus
one-plane projection
one-point
one point compactification
one-point compactification
one point distribution
one-point distribution
one-point iteration method
one-point set
one-point space
one-point union
one-port network
One post one salary system
One post salary system
one pot
one pot reaction
one-sample method
one's complement
one set of tables on enterprises statistics
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