The limit value of drilling fluid density for avoidingthe borehole wall instability and the hydrostatic column pressure model were also determinedin this paper.是什么意思_The limit value of drilling fluid density for avoidingthe borehole wall instability and the hydrostatic column pressure model were also determinedin this paper.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句