Oval metallic ring gaskets for steel pipe flange joints GB/T9128.2-1988钢制管法兰连接用椭圆形金属环垫
Use of rotational inertia of the definition of calculated rigid oval ring around the ring with the vertical plane through the central axis and the moment of inertia. 运用转动惯量定义式直接计算出椭圆环刚体绕垂直与环平面且通过中心轴的转动惯量。
Development of a New Oval Cross-Section Plastic Sealing Ring 新型椭圆截面塑性密封圈的研制