Probe into the Method of Eliminating the Pseudo-dips When Using the Theodolite to Calibrate the Grade Lines on Both Sides of the Inclined Drift是什么意思_Probe into the Method of Eliminating the Pseudo-dips When Using the Theodolite to Calibrate the Grade Lines on Both Sides of the Inclined Drift在线翻译_英语_读音_用法_例句