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反循环连续取心
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反循环连续取心
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钻进工艺
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reverse circulation continuous coring
反循环连续取心
采用双壁钻杆钻进,冲洗液(或空气)从双壁钻杆内外管环状间隙泵入,从钻杆内管内返出地面,同时连续不断地把岩心岩样携带至地表的取心方法。
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finite difference time domain
finite-difference time domain
finite difference time domain analysis method
finite-difference time-domain analysis method
finite-difference time domain, FDTD
finite difference time domain (FDTD) analysis method
finite-difference time-domain (FDTD) analysis method
finite difference time domain method
finite-difference time-domain method
finite difference time domain method, FDTD
finite-dimensional
finite dimensional algebra
finite-dimensional algebra
finite-dimensional approximation
finite-dimensional associative algebra
finite-dimensional distribution
finite dimensional extension
finite-dimensional filter
finite-dimensional group
finite dimensionality
finite-dimensional linear space
finite-dimensional manifold
finite dimensional projective geometry
finite-dimensional projective geometry
finite-dimensional representation
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