确保正确的大小的连接，并确保承受的推力由移动水的软管线力量产生的负载能力。
Ensure the correct size connection and ensure the capability of withstanding the thrust loads generated by the force of the moving water in the hose lines.
沙波沙脊区海底管线悬跨的产生，主要是海底地形、沙波的移动和区域性冲沟的发育所造成的。
The seabed terrain, sand wave migration and the growth of regional erosion ditch create subsea pipeline suspended span.
管线的控制标准可以从地层移动、管线接头转角与脱开以及管线应变等方面考虑制定。
The pipeline deformation control criteria can be worked out by taking account of the strata movement, joint rotation and pullout of pipes, and the additional strain of pipes, etc.
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