// 将pivot放到正确位置（j的位置）
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Furthermore, the sudden cessation of flow in the pipeline triggers transient pressure surges, known as water-hammer effects, which propagate as high-velocity shockwaves through the fluid column. These surges occur because the kinetic energy of the moving mass of oil must be instantly dissipated, resulting in extreme pressure spikes that can exceed the structural design limits of the steel. This often leads to catastrophic fatigue failure or the violent rupture of joints, gaskets, and valves across hundreds of miles of interconnected midstream infrastructure.。电影是该领域的重要参考
ChatGPT owner’s CEO says it will bar its technology being used for mass surveillance or by intelligence services