Engineering, 25.10.2021 19:10, almostnevercbbc

cho dầm AB chịu lực và có kích thước như hình vẽ bỏ qua trọng lượng của dầm xác định phản lực liên kết tại A và B biết P1 =10kN , P2=15kN

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cho dầm AB chịu lực và có kích thước như hình vẽ bỏ qua trọng lượng của dầm xác định phản lực liên k...