短語詞組短語Momental Valley 紀念谷momental ellipse 慣量橢圓momental vector [力]力矩矢量momental elli 慣量橢圓momental ellipsoid 慣量橢球;慣性橢球面;慣量橢圓體Momental endurability 彎矩承載能力momental efficiency 扭矩效率a momental ellipse 動量橢圓 返回 momental