• 2022-06-06
    用图乘法求图示刚架 [tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex] 点的水平位移。[tex=2.0x1.0]C1eXktko86a0BBkBgiRJ8Q==[/tex]常数。[img=225x232]17a5838f7a7db28.png[/img]