求翻译，急
求翻译，急beamABofwightP1issupportbyabarCDofnegligiblemass,AelectromotorofwightP2isplaceon...
求翻译，急beam AB of wight P1 is support by a bar CD of negligible mass, A electromotor of wight P2 is place on the beam AB. Draw the free bodydiagram of bar CD and beam AB
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重量为P1的梁AB由质量可忽略不计的杆CD支撑。重量为P2的电机放置在梁AB上。绘制杆CD和梁AB的自由体图表。
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The homogeneous beam AB of wight P1 is supported by a bar CD of negligible mass, A electromotor of wight P2 is place on the beam AB. Draw the free bodydiagram of bar CD and beam AB
漏了一点点，麻烦加上好吗？
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什么鬼？😔
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专业书上的。。。看不懂
The homogeneous beam AB of wight P1 is supported by a bar CD of negligible mass, A electromotor of wight P2 is place on the beam AB. Draw the free bodydiagram of bar CD and beam AB
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