Therefore, the bending moment may cause normal stress at the axis of gravity, and the concept of "equivalent axial force" is induced.
因此弯矩在形心处要引起正应力，从而引出所谓“等效轴力”的概念。
When a curved beam is bending in the plane of the curvature, the neutral axis of cross section is not identical with the axis of gravity due to the influence of the initial curvature.
由于曲率的影响，曲线梁在其曲率平面内弯曲时的中性轴不通过横截面的形心。因此弯矩在形心处要引起正应力，从而引出所谓“等效轴力”的概念。
Because of the imbalance of the rotor quality, the center of gravity of the rotor and the axis of the formation of an injustice.
因为转子品质不公平衡，转子重心与轴心萌生一个不公正距。
The dam axis of Wanjiazhai Water Control Project is located in the wide U shaped channel. The dam type is a straight semi monolithic gravity dam.
万家寨水利枢纽拦河坝轴线处河道断面呈偏宽“U”字形，坝型为直线半整体式重力坝。
The dam axis of Wanjiazhai Water Control Project is located in the wide U shaped channel. The dam type is a straight semi monolithic gravity dam.
万家寨水利枢纽拦河坝轴线处河道断面呈偏宽“U”字形，坝型为直线半整体式重力坝。
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