A full automatic multi-channel ultrasonic detecting system has been developed to control the laying quality of submarine pipeline.
研制了用于海底管道铺设质量检验的多通道全自动超声波检验系统。
By considering the geometrical nonlinearity, a new method for the nonlinear random vibration of a free spanning submarine pipeline is presented.
考虑海底悬跨管道的几何非线性特征，建立了悬跨管道非线性随机振动响应分析方法。
At the real ocean circumstance, the vibration of submarine suspended pipeline trends a new characteristic because of the function of ocean current and interior liquid transported.
在实际海洋环境中，海底悬空管道的振动受到海洋流体及内部输送流体的作用而具有新的特点。
At the real ocean circumstance, the vibration of submarine suspended pipeline trends a new characteristic because of the function of ocean current and interior liquid transported.
在实际海洋环境中，海底悬空管道的振动受到海洋流体及内部输送流体的作用而具有新的特点。
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