When laying pipelines under road, railway, river and other obstructions, conventional drenched pipe burying method is hard in construction.

在公路、铁路、河流及其它障碍物下敷设地下管道时，采用常规的挖沟埋管法施工难度较大。

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For determining working parameters during the pipe-laying operation with a lay-barge, the laying method and other working situation of the pipeline must be analyzed.

为了确定用铺管船法铺设海洋管道过程中的作业参数，必须对海洋管道的铺设方式和作业状态进行分析。

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For determining working parameters during the pipe-laying operation with a lay-barge, the laying method and other working situation of the pipeline must be analyzed.

为了确定用铺管船法铺设海洋管道过程中的作业参数，必须对海洋管道的铺设方式和作业状态进行分析。

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