短語詞組短語Bending -moment equation 彎矩方程bending g moment diagram 彎矩圖bending -moment curves 彎矩曲線bending g moment coefficients 彎矩系數(shù)bending g moment density 彎矩密度bending hysteresis moment 彎曲滯后矩bending g moment 彎矩;撓矩bending bending moment 彎矩增值bending g moment arm 彎曲力臂 返回 bending moment