矩形截面弯曲剪应力公式为τ=其中Sz是所求剪应力的点,画平行于中性轴的横线________截面面积对中性轴的面积矩,因此Sz是________量,截面上的最大剪应力发生在________
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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