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Now lets place some secondary shapes, rings around the pipe.
现在放些二级形，环绕管子的圆环。
youdao
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The source of pipe line secondary stress check condition is the stability condition.
管道二次应力校核条件来源于结构的安定性条件。
youdao
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The source of pipe line secondary stress check condition is the stability condition.
管道二次应力校核条件来源于结构的安定性条件。
youdao