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方国球,张进.钻井岩粉在钻井液中自由沉降的实验研究─—岩粉的沉降阻力系数及沉降速度[J].钻探工程,1995,(5):41-43.
Fang Guoqiu. An Experimental study of Free Settlement of Drilling Cuttings in Drilling Fluid-Drag Coefficient and settling Velocity[J]. Drilling Engineering, 1995,(5):41-43.