Pham TH. The Effect of Rotating Speed and Working Pressure on the Hydrodynamic and Hydrostatic Pressure Distribution of the Oil Lubrication Film in the Internal Gear Pump. old [Internet]. 2020 Sep. 15 [cited 2025 Aug. 2];(145):40-6. Available from: https://jst.vn/index.php/old/article/view/494