• 2022-07-27
    中国大学MOOC: 在图中,∠COB是远休止角。http://edu-image.nosdn.127.net/9FBA68875999C9F479A0D4295F7D16BD.png?imageView&thumbnail=890x0&quality=100
  • 举一反三

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      中国大学MOOC: 实腹式轴压杆绕x,y轴的长细比分别为http://edu-image.nosdn.127.net/CEDDCE7A3BB52B52DC56A37DE9DF8675.png?imageView&thumbnail=890x0&quality=100,http://edu-image.nosdn.127.net/2715192C2D5C066B84F9EEC130D1DD78.png?imageView&thumbnail=890x0&quality=100,对应的稳定系数分别为http://edu-image.nosdn.127.net/051E7EF77A20CC8EE7AE73090D7D0B9F.png?imageView&thumbnail=890x0&quality=100,http://edu-image.nosdn.127.net/CDC96ACA4577E26B3DE9DBF3AFBCEC46.png?imageView&thumbnail=890x0&quality=100,若http://edu-image.nosdn.127.net/991E5D4B35F3193105567CAF1B1CB1EC.png?imageView&thumbnail=890x0&quality=100,则( ) 。

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      中国大学MOOC: 在图中,BC段内( )。http://edu-image.nosdn.127.net/0ACCF945AAB395819D2F1B06DCF6EE62.png?imageView&thumbnail=890x0&quality=100

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      中国大学MOOC: 在水利枢纽布置图中,http://edu-image.nosdn.127.net/E93D098CC9C683D34692967D331A6E0A.png?imageView&thumbnail=890x0&quality=100表示( )。

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      中国大学MOOC: http://edu-image.nosdn.127.net/8E989C885179CAD3E88F4ED14999CEF9.jpg?imageView&thumbnail=890x0&quality=100http://edu-image.nosdn.127.net/270D935AC13F8AC30775CB323882970C.jpg?imageView&thumbnail=890x0&quality=100

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      中国大学MOOC: http://edu-image.nosdn.127.net/7D51EA94B193D097167CC61B91F23395.png?imageView&thumbnail=890x0&quality=100http://edu-image.nosdn.127.net/46BE8EC842C20D2566C34496757F7637.png?imageView&thumbnail=890x0&quality=100