这些载荷通过立管传递到井口和套管，在连接和焊接处形成临界疲劳区。

These loads are transferred through the riser to the well - head and casing system, causing fatigue at critical connectors and welds.

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这些载荷通过立管传递到井口和套管，在连接和焊接处形成临界疲劳区。

These loads are transferred through the riser to the well - head and casing system, causing fatigue at critical connectors and welds.

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