Vortex induced vibration of submarine pipeline span is the major factor of resonance invalidation of pipeline.

管跨结构的涡激振动分析是海底管线疲劳分析和安全评价的重要环节。

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Vortex induced vibration of submarine pipeline span is the major factor of resonance invalidation of pipeline.

海底管跨的涡激振动是引发管跨共振失效的主要因素。

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Maximum length of field pipeline span is related to the factors such as the strength of pipes and joint adapters, and the allowable pack Angle, etc.

机动管线最大悬空长度与管子和连接器的强度，以及允许的最大折转角等因素有关系。

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But according to investment boutique Renaissance Capital, the IPOs in the pipeline span many sectors.

FORBES: IPO Market Showing Signs Of Life - Even For Stodgy Industrials