滨州黄河大桥如图甲所示若将大桥斜拉部分的一半简化成图乙所示的杠杆模型其中o点为支点p为桥面部分的重心请在图乙中画出拉索对桥面拉力f的 Template




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Try and sketch some of theseNebula, Cake, Bus, Dessert, Zenith, Birdhouse, Stilts, Glitter, Flower bulb, Mule, view more ideas


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tomski滨州黄河大桥如图甲所示若将大桥斜拉部分的一半简化成图乙所示的杠杆模型其中o点为支点p为桥面部分的重心请在图乙中画出拉索对桥面拉力f的 coloring